Document:

Exhibit 4.12

THIS WARRANT AND THE COMMON SHARES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE
STATE SECURITIES LAWS. THIS WARRANT AND THE COMMON SHARES ISSUABLE UPON EXERCISE
OF THIS WARRANT MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN
THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT AS TO THIS WARRANT UNDER SAID
ACT AND APPLICABLE STATE SECURITIES LAWS OR AN OPINION OF COUNSEL REASONABLY
SATISFACTORY TO INTEGRATED SPATIAL INFORMATION SOLUTIONS, INC. THAT SUCH
REGISTRATION IS NOT REQUIRED.

                          Right to Purchase 201,613 Shares of Common Stock of
                          Integrated Spatial Information Solutions, Inc.
                          (subject to adjustment as provided herein)

                         COMMON STOCK PURCHASE WARRANT

No. 00-1                                            Issue Date: March ____, 2000

     INTEGRATED SPATIAL INFORMATION SOLUTIONS, INC., a corporation organized
under the laws of the State of Colorado (the "Company"), hereby certifies that,
for value received, (INSERT NAME OF WARRANT HOLDER), or assigns, is entitled,
subject to the terms set forth below, to purchase from the Company after the
Issue Date set forth above at any time or from time to time before 5:00 p.m.,
New York time, through five (5) years after the Issue Date (the "Expiration
Date"), up to 201,613 fully paid and nonassessable shares of Common Stock (as
hereinafter defined), no par value per share, of the Company, at a purchase
price of $0.65 per share (such purchase price per share as adjusted from time to
time as herein provided is referred to herein as the "Purchase Price"). The
number and character of such shares of Common Stock and the Purchase Price are
subject to adjustment as provided herein.

     As used herein the following terms, unless the context otherwise requires,
have the following respective meanings:

     (a) The term Company shall include Integrated Spatial Information
Solutions, Inc. and any corporation which shall succeed or assume the
obligations of Integrated Spatial Information Solutions, Inc. hereunder.

     (b) The term "Common Stock" includes (a) the Company's Common Stock, no par
value per share, as authorized on the date of the Agreement, (b) any other
capital stock of any successor class or classes (however designated) of the
Company, authorized on or after such date, the holders of which shall have the
right, without limitation as to amount, either to all or to a share of the
balance of current dividends and liquidating dividends after the payment of
dividends and distributions on any shares entitled to preference, and the
holders of which shall ordinarily, in the absence of contingencies, be entitled
to vote for the election of a majority of directors of the Company (even if the
right so to vote has been suspended by the happening of such a contingency) and
(c) any other securities into which or for which any of the securities described
in (a) or (b) may be converted or exchanged pursuant to a plan of
recapitalization, reorganization, merger, sale of assets or otherwise.

     (c) The term "Other Securities" refers to any stock (other than Common
Stock) and other securities of the Company or any other person (corporate or
otherwise) which the holder of the Warrant at any time shall be entitled to
receive, or shall have received, on the exercise of the Warrant, in lieu of or
in addition to Common Stock, or which at any time shall be issuable or shall
have been issued in exchange for or in replacement of Common Stock or Other
Securities pursuant to Section 4 or otherwise.

                                       14
<PAGE>

     1.   Exercise of Warrant.

          1.1. Number of Shares Issuable upon Exercise. From and after the date
hereof through and including the Expiration Date, the holder hereof shall be
entitled to receive, upon exercise of this Warrant in whole in accordance with
the terms of subsection 1.2 or upon exercise of this Warrant in part in
accordance with subsection 1.3, shares of Common Stock of the Company, subject
to adjustment pursuant to Section 4.

          1.2. Full Exercise. This Warrant may be exercised in full by the
holder hereof by surrender of this Warrant, with the form of subscription
attached as Exhibit A hereto (the Subscription Form") duly executed by such
holder, to the Company at its principal office or at the office of its Warrant
agent (as provided in Section 11), accompanied by payment, in cash or by
certified or official bank check payable to the order of the Company, in the
amount obtained by multiplying the number of shares of Common Stock for which
this Warrant is then exercisable by the Purchase Price (as hereinafter defined)
then in effect.

          1.3. Partial Exercise. This Warrant may be exercised in part (but not
for a fractional share) by surrender of this Warrant in the manner and at the
place provided in subsection 1.2 except that the amount payable by the holder on
such partial exercise shall be the amount obtained by multiplying (a) the number
of shares of Common Stock designated by the holder in the Subscription Form by
(b) the Purchase Price then in effect. On any such partial exercise, the
Company, at its expense, will forthwith issue and deliver to or upon the order
of the holder hereof a new Warrant of like tenor, in the name of the holder
hereof or as such holder (upon payment by such holder of any applicable transfer
taxes), may request, the number of shares of Common Stock for which such Warrant
may still be exercised.

          1.4. Fair Market Value. Fair Market Value of a share of Common Stock
as of a particular date (the "Determination Date") shall mean the Fair Market
Value of a share of the Company's Common Stock. Fair Market Value of a share of
Common Stock as of a Determination Date shall mean:

               (a) If the Company's Common Stock is traded on an exchange or is
quoted on the National Association of Securities Dealers, Inc. Automated
Quotation ("NASDAQ") National Market System or the NASDAQ SmallCap Market, then
the closing or last sale price, respectively, reported for the last business day
immediately preceding the Determination Date.

               (b) If the Company's Common Stock is not traded on an exchange or
on the NASDAQ National Market System or the NASDAQ SmallCap Market but is traded
in the over-the-counter market, then the mean of the closing bid and asked
prices reported for the last business day immediately preceding the
Determination Date.

               (c) Except as provided in clause (d) below, if the Company's
Common Stock is not publicly traded, then as the Holder and the Company agree or
in the absence of agreement by arbitration in accordance with the rules then
standing of the American Arbitration Association, before a single arbitrator to
be chosen from a panel of persons qualified by education and training to pass on
the matter to be decided.

                                       15
<PAGE>

               (d) If the Determination Date is the date of a liquidation,
dissolution or winding up, or any event deemed to be a liquidation, dissolution
or winding up pursuant to the Company's charter, then all amounts to be payable
per share to holders of the Common Stock pursuant to the charter in the event of
such liquidation, dissolution or winding up, plus all other amounts to be
payable per share in respect of the Common Stock in liquidation under the
charter, assuming for the purposes of this clause (d) that all of the shares of
Common Stock then issuable upon exercise of all of the Warrants are outstanding
at the Determination Date.

          1.5. Company Acknowledgment. The Company will, at the time of the
exercise of the Warrant, upon the request of the holder hereof acknowledge in
writing its continuing obligation to afford to such holder any rights to which
such holder shall continue to be entitled after such exercise in accordance with
the provisions of this Warrant. If the holder shall fail to make any such
request, such failure shall not affect the continuing obligation of the Company
to afford to such holder any such rights.

          1.6. Trustee for Warrant Holders. In the event that a bank or trust
company shall have been appointed as trustee for the holders of the Warrants
pursuant to Subsection 3.2, such bank or trust company shall have all the powers
and duties of a warrant agent appointed pursuant to Section 11 and shall accept,
in its own name for the account of the Company or such successor person as may
be entitled thereto, all amounts otherwise payable to the Company or such
successor, as the case may be, on exercise of this Warrant pursuant to this
Section 1.

     2.1. Delivery of Stock Certificates, etc. on Exercise. The Company agrees
that the shares of Common Stock purchased upon exercise of this Warrant shall be
deemed to be issued to the holder hereof as the record owner of such shares as
of the close of business on the date on which this Warrant shall have been
surrendered and payment made for such shares as aforesaid. As soon as
practicable after the exercise of this Warrant in full or in part, and in any
event within 15 days thereafter, the Company at its expense (including the
payment by it of any applicable issue taxes) will cause to be issued in the name
of and delivered to the holder hereof, or as such holder (upon payment by such
holder of any applicable transfer taxes) may direct in compliance with
applicable Securities Laws, a certificate or certificates for the number of duly
and validly issued, fully paid and nonassessable shares of Common Stock (or
Other Securities) to which such holder shall be entitled on such exercise, plus,
in lieu of any fractional share to which such holder would otherwise be
entitled, cash equal to such fraction multiplied by the then Fair Market Value
of one full share, together with any other stock or other securities and
property (including cash, where applicable) to which such holder is entitled
upon such exercise pursuant to Section 1 or otherwise.

     2.2. Cashless Exercise.

          (a) Payment may be made either in (a) cash or by certified or official
bank check or checks payable to the order of the Company equal to the applicable
aggregate Purchase Price, (ii) by delivery of Warrants, Common Stock and/or
Common Stock receivable upon exercise of the Warrants in accordance with Section
(b) below, or (iii) by a combination of any of the foregoing methods) for the
number of Common Shares specified in such form (as such exercise number shall be
adjusted to reflect any adjustment in the total number of shares of Common Stock
issuable to the holder per the terms of this Warrant) and the holder shall
thereupon be entitled to receive the number of duly authorized, validly issued,
fully-paid and non-assessable shares of Common Stock (or Other Securities)
determined as provided herein.

                                       16
<PAGE>

          (b) Notwithstanding any provisions herein to the contrary, if the Fair
Market Value of one share of Common Stock is greater than the Purchase Price (at
the date of calculation as set forth below), in lieu of exercising this Warrant
for cash the holder may elect to receive shares equal to the value (as
determined below) of this Warrant (or the portion thereof being cancelled) by
surrender of this Warrant at the principal office of the Company together with
the properly endorsed Subscription Form in which event the Company shall issue
to the holder a number of shares of Common Stock computed using the following
formula:

                           X=Y (A-B)
                            A
                        -----

          Where X=  the number of shares of Common Stock to be issued to the
                    holder

                Y=  the number of shares of Common Stock purchasable under the
                    Warrant or, if only a portion of the Warrant is being
                    exercised, the portion of the Warrant being exercised (at
                    the date of such calculation)

                A=  the Fair Market Value of one share of the Company's Common
                    Stock (at the date of such calculation)

                B=  Purchase Price (as adjusted to the date of such calculation)

          (c) Payment of the Purchase Price may be made by the method described
in Section 2.2(a)(ii) of this Warrant only commencing one year after the Issue
Date of this Warrant and then provided either (i) a Non-Registration Event (as
described in Section 9 of this Warrant) has occurred and/or (ii) the Common
Stock issuable upon exercise of this Warrant as of the date of exercise of this
Warrant is not then registered for public resale in a registration statement
declared effective by the Securities and Exchange Commission.

          (d) The maximum number of Common Shares issuable upon cashless
exercise shall not exceed the number of Common Shares issuable upon exercise
requiring the payment of cash by the holder to the Company.

     3.   Adjustment for Reorganization, Consolidation, Merger, etc.

          3.1. Reorganization, Consolidation, Merger, etc. In case at any time
or from time to time, the Company shall (a) effect a reorganization, (b)
consolidate with or merge into any other person, or (c) transfer all or
substantially all of its properties or assets to any other person under any plan
or arrangement contemplating the dissolution of the Company, then, in each such
case, as a condition to the consummation of such a transaction, proper and
adequate provision shall be made by the Company whereby the holder of this
Warrant, on the exercise hereof as provided in Section 1 at any time after the
consummation of such reorganization, consolidation or merger or the effective
date of such dissolution, as the case may be, shall receive, in lieu of the
Common Stock (or Other Securities) issuable on such exercise prior to such
consummation or such effective date, the stock and other securities and property
(including cash) to which such holder would have been entitled upon such
consummation or in connection with such dissolution, as the case may be, if such
holder had so exercised this Warrant, immediately prior thereto, all subject to
further adjustment thereafter as provided in Section 4.

                                       17
<PAGE>

          3.2. Dissolution. In the event of any dissolution of the Company
following the transfer of all or substantially all of its properties or assets,
the Company, prior to such dissolution, shall at its expense deliver or cause to
be delivered the stock and other securities and property (including cash, where
applicable) receivable by the holders of the Warrants after the effective date
of such dissolution pursuant to this Section 3 to a bank or trust company having
its principal office in New York, NY, as trustee for the holder or holders of
the Warrants.

          3.3. Continuation of Terms. Upon any reorganization, consolidation,
merger or transfer (and any dissolution following any transfer) referred to in
this Section 3.3, this Warrant shall continue in full force and effect and the
terms hereof shall be applicable to the shares of stock and other securities and
property receivable on the exercise of this Warrant after the consummation of
such reorganization, consolidation or merger or the effective date of
dissolution following any such transfer, as the case may be, and shall be
binding upon the issuer of any such stock or other securities, including, in the
case of any such transfer, the person acquiring all or substantially all of the
properties or assets of the Company, whether or not such person shall have
expressly assumed the terms of this Warrant as provided in Section 4. In the
event this Warrant does not continue in full force and effect after the
consummation of the transaction described in this Section 3.3, then only in such
event will the Company's securities and property (including cash, where
applicable) receivable by the holders of the Warrants be delivered to the
Trustee as contemplated by Section 3.2.

     4. Extraordinary Events Regarding Common Stock. In the event that the
Company shall (a) issue additional shares of the Common Stock as a dividend or
other distribution on outstanding Common Stock, (b) subdivide its outstanding
shares of Common Stock, or (c) combine its outstanding shares of the Common
Stock into a smaller number of shares of the Common Stock, then, in each such
event, the Purchase Price shall, simultaneously with the happening of such
event, be adjusted by multiplying the then Purchase Price by a fraction, the
numerator of which shall be the number of shares of Common Stock outstanding
immediately prior to such event and the denominator of which shall be the number
of shares of Common Stock outstanding immediately after such event, and the
product so obtained shall thereafter be the Purchase Price then in effect. The
Purchase Price, as so adjusted, shall be readjusted in the same manner upon the
happening of any successive event or events described herein in this Section 4.
The number of shares of Common Stock that the holder of this Warrant shall
thereafter, on the exercise hereof as provided in Section 1, be entitled to
receive shall be adjusted to a number determined by multiplying the number of
shares of Common Stock that would otherwise (but for the provisions of this
Section 4) be issuable on such exercise by a fraction of which (a) the numerator
is the Purchase Price that would otherwise (but for the provisions of this
Section 4) be in effect, and (b) the denominator is the Purchase Price in effect
on the date of such exercise.

     5. Certificate as to Adjustments. In each case of any adjustment or
readjustment in the shares of Common Stock (or Other Securities) issuable on the
exercise of the Warrants, the Company at its expense will promptly cause its
Chief Financial Officer or other appropriate designee to compute such adjustment
or readjustment in accordance with the terms of the Warrant and prepare a
certificate setting forth such adjustment or readjustment and showing in detail
the facts upon which such adjustment or readjustment is based, including a
statement of (a) the consideration received or receivable by the Company for any
additional shares of Common Stock (or Other Securities) issued or sold or deemed
to have been issued or sold, (b) the number of shares of Common Stock (or Other
Securities) outstanding or deemed to be outstanding, and (c) the Purchase Price
and the number of shares of Common Stock to be received upon exercise of this
Warrant, in effect immediately prior to such adjustment or readjustment and as
adjusted or readjusted as provided in this Warrant. The Company will forthwith
mail a copy of each such certificate to the holder of the Warrant and any
Warrant agent of the Company (appointed pursuant to Section 11 hereof).

                                       18
<PAGE>

     6. Reservation of Stock, etc. Issuable on Exercise of Warrant; Financial
Statements. The Company will at all times reserve and keep available, solely for
issuance and delivery on the exercise of the Warrants, all shares of Common
Stock (or Other Securities) from time to time issuable on the exercise of the
Warrant. This Warrant entitles the holder hereof to receive copies of all
financial and other information distributed or required to be distributed to the
holders of the Company's Common Stock.

     7. Assignment; Exchange of Warrant. Subject to compliance with applicable
Securities laws, this Warrant, and the rights evidenced hereby, may be
transferred in amounts of 50,000 Common Shares or more (subject to anti-dilution
and adjustment) by any registered holder hereof (a "Transferor") with respect to
any or all of the Shares. On the surrender for exchange of this Warrant, with
the Transferor's endorsement in the form of Exhibit B attached hereto (the
Transferor Endorsement Form") and together with evidence reasonably satisfactory
to the Company demonstrating compliance with applicable Securities Laws, the
Company at its expense but with payment by the Transferor of any applicable
transfer taxes) will issue and deliver to or on the order of the Transferor
thereof a new Warrant or Warrants of like tenor, in the name of the Transferor
and/or the transferee(s) specified in such Transferor Endorsement Form (each a
"Transferee"), calling in the aggregate on the face or faces thereof for the
number of shares of Common Stock called for on the face or faces of the Warrant
so surrendered by the Transferor.

     8. Replacement of Warrant. On receipt of evidence reasonably satisfactory
to the Company of the loss, theft, destruction or mutilation of this Warrant
and, in the case of any such loss, theft or destruction of this Warrant, on
delivery of an indemnity agreement or security reasonably satisfactory in form
and amount to the Company or, in the case of any such mutilation, on surrender
and cancellation of this Warrant, the Company at its expense will execute and
deliver, in lieu thereof, a new Warrant of like tenor.

     9. Registration Rights. The Holder of this Warrant has been granted certain
registration rights by the Company. These registration rights are set forth in a
Subscription Agreement entered into by the Company and Subscribers of the
Company's Common Stock at or prior to the issue date of this Warrant. The terms
of the Subscription Agreement are incorporated herein by this reference. Upon
the occurrence of a Non-Registration Event as described in the Subscription
Agreement, in the event the Company is unable to issue Common Stock upon
exercise of this Warrant that has been registered in the Registration Statement
described in Section 9.4 of the Subscription Agreement, within the time periods
described in the Subscription Agreement, which Registration Statement must be
effective throughout the exercise period of this Warrant, then upon written
demand made by the Holder, then the Company will pay to the Holder of this
Warrant, in lieu of delivering Common Stock, a sum equal to the closing ask
price of the Company's Common Stock on NASD OTC Bulletin Board or such other
principal trading market for the Company's Common Stock on the trading date
immediately preceding the date notice is given by the Holder, less the exercise
price of this Warrant, for each share of Common Stock designated in such notice
from the Holder.

                                       19
<PAGE>

     10. Maximum Exercise. The Holder shall not be entitled to exercise, on an
exercise date, this Warrant in connection with that number of shares of Common
Stock which would be in excess of the sum of (i) the number of shares of Common
Stock beneficially owned by the Holder and its affiliates on an exercise date,
and (ii) the number of shares of Common Stock issuable upon the exercise of this
Warrant with respect to which the determination of this proviso is being made on
an exercise date, which would result in beneficial ownership by the Holder and
its affiliates of more than 9.99% of the outstanding shares of Common Stock of
the Company on such exercise date. For the purposes of the proviso to the
immediately preceding sentence, beneficial ownership shall be determined in
accordance with Section 13(d) of the Securities Exchange Act of 1934, as
amended, and Regulation 13d-3 thereunder. Subject to the foregoing, the Holder
shall not be limited to aggregate exercises which would result in the issuance
of more than 9.99%. The restriction described in this paragraph may be revoked
upon 75 days prior notice from the Holder to the Company. The Holder may
allocate which of the equity of the Company deemed beneficially owned by the
Subscriber shall be included in the 9.99% amount described above and which shall
be allocated to the excess above 9.99%.

     11. Warrant Agent. The Company may, by written notice to the each holder of
the Warrant, appoint an agent for the purpose of issuing Common Stock (or Other
Securities) on the exercise of this Warrant pursuant to Section 1, exchanging
this Warrant pursuant to Section 7, and replacing this Warrant pursuant to
Section 8, or any of the foregoing, and thereafter any such issuance, exchange
or replacement, as the case may be, shall be made at such office by such agent.

     12. Transfer on the Company's Books. Until this Warrant is transferred on
the books of the Company, the Company may treat the registered holder hereof as
the absolute owner hereof for all purposes, notwithstanding any notice to the
contrary.

     13. Notices, etc. All notices and other communications from the Company to
the holder of this Warrant shall be mailed by first class registered or
certified mail, postage prepaid, at such address as may have been furnished to
the Company in writing by such holder or, until any such holder furnishes to the
Company an address, then to, and at the address of, the last holder of this
Warrant who has so furnished an address to the Company.

     14. Miscellaneous. This Warrant and any term hereof may be changed, waived,
discharged or terminated only by an instrument in writing signed by the party
against which enforcement of such change, waiver, discharge or termination is
sought. This Warrant shall be construed and enforced in accordance with and
governed by the laws of New York. Any dispute relating to this Warrant shall be
adjudicated in New York State. The headings in this Warrant are for purposes of
reference only, and shall not limit or otherwise affect any of the terms hereof.
The invalidity or unenforceability of any provision hereof shall in no way
affect the validity or enforceability of any other provision.

IN WITNESS WHEREOF, the Company has executed this Warrant under seal as of the
date first written above.

                                  INTEGRATED SPATIAL INFORMATION SOLUTIONS, INC.

                                  By:_________________________________________

                                       20
<PAGE>

                                                                       Exhibit A
                              FORM OF SUBSCRIPTION
                   (To be signed only on exercise of Warrant)

TO: Integrated Spatial Information Solutions, Inc.

The undersigned, pursuant to the provisions set forth in the attached Warrant
(No.____), hereby irrevocably elects to purchase (check applicable box):

___  ________ shares of the Common Stock covered by such Warrant; or

___  the maximum number of shares of Common Stock covered by such Warrant
     pursuant to the cashless exercise procedure set forth in Section 2.

The undersigned herewith makes payment of the full purchase price for such
shares at the price per share provided for in such Warrant, which is
$___________. Such payment takes the form of (check applicable box or boxes):

___  $__________ in lawful money of the United States; and/or

___  the cancellation of such portion of the attached Warrant as is exercisable
     for a total of _______ shares of Common Stock (using a Fair Market Value of
     $_______ per share for purposes of this calculation); and/or

___  the cancellation of such number of shares of Common Stock as is necessary,
     in accordance with the formula set forth in Section 2, to exercise this
     Warrant with respect to the maximum number of shares of Common Stock
     purchaseable pursuant to the cashless exercise procedure set forth in
     Section 2.

The undersigned requests that the certificates for such shares be issued in the
name of, and delivered to ____________________ whose address is
______________________________________________________________________________ .

The undersigned represents and warrants that all offers and sales by the
undersigned of the securities issuable upon exercise of the within Warrant shall
be made pursuant to registration of the Common Stock under the Securities Act of
1933, as amended (the "Securities Act") or pursuant to an exemption from
registration under the Securities Act.

Dated:___________________                 ______________________________________
                                          (Signature must conform to name of
                                          holder as specified on the face of
                                          the Warrant)

                                          ______________________________________
                                          (Address)

                                       21
<PAGE>

                                                                       Exhibit B

                         FORM OF TRANSFEROR ENDORSEMENT
                   (To be signed only on transfer of Warrant)

     For value received, the undersigned hereby sells, assigns, and transfers
unto the person(s) named below under the heading "Transferees" the right
represented by the within Warrant to purchase the percentage and number of
shares of Common Stock of Integrated Spatial Information Solutions, Inc. to
which the within Warrant relates specified under the headings "Percentage
Transferred" and "Number Transferred," respectively, opposite the name(s) of
such person(s) and appoints each such person Attorney to transfer its respective
right on the books of Integrated Spatial Information Solutions, Inc. with full
power of substitution in the premises.

================================================================================

       Transferees              Percentage                   Number
                                Transferred                Transferred
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

--------------------------------------------------------------------------------

================================================================================

Dated: ____________ , ____                 _____________________________________
                                           (Signature must conform to name of
                                           holder as specified on the face of
                                           the warrant)

Signed in the presence of:

_________________________________          _____________________________________
         (Name)                            (address)

ACCEPTED AND AGREED:                       _____________________________________
[TRANSFEREE]                               (address)

_________________________________
         (Name)

                                       22SAMPLE OF COMPANY'S STANDARD STOCK CERTIFICATE CONTAINING THE FOLLOWING
INFORMATION:

1.  Number of certificate
2.  Number of shares represented by certificate
3.  Title of stock and CUSIP number
4.  Name of stockholder
5.  Date of issuance
6.  Corporate seal
7.  Signatures of president and secretary of corporation at time of issuance.

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