Document:

Exhibit 10.2

Promissory Note 1. Names

   Borrower:

        Sierra Norte, LLC, a New Mexico limited liability company
        5111 Juan Tabo Blvd. N.E.
        Albuquerque, New Mexico 87122

   Lender:

        Karen Y. Duran
        12512 Modesto Ave. N.E.
        Albuquerque, New Mexico 87122

2.   Promise to Pay

     For value received, Borrower promises to pay Lender $150,000 and interest
     at the yearly rate of 8.5% on the unpaid balance as specified below.

3.   Payment Date

     Borrower will pay the entire amount of principal and interest on or before
     May 25, 2006.

4.   Prepayment

     Borrower may prepay all or any part of the principal without penalty.

5.   Security

     This is an unsecured note.

6.   Collection Costs

     If Lender prevails in a lawsuit to collect on this note, Borrower will pay
     Lender's costs and lawyer's fees in an amount the court finds to be
     reasonable.

7.   Entire Agreement

     This is the entire agreement between the parties. It replaces and
     supersedes any and all oral agreements between the parties, as well as any
     prior writings.

8.   Successors and Assignees

     This agreement binds and benefits the heirs, successors and assignees of
     the parties.

9.   Notices

     All notices must be in writing. A notice may be delivered to a party at the
     address that follows a party's signature or to a new address that a party
     designates in writing.

                          Promissory Note-- Page 1 of 3

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A notice may be delivered:

    o    in person
    o    by certified mail, or
    o    by overnight courier.

10.  Governing Law

     This agreement will be governed by and construed in accordance with the
     laws of the state of New Mexico.

11.  Waiver

     If one party waives any term or provision of this agreement at any time,
     that waiver will be effective only for the specific instance and specific
     purpose for which the waiver was given. If either party fails to exercise
     or delays exercising any of its rights or remedies under this agreement,
     that party retains the right to enforce that term or provision at a later
     time.

12.  Severability

     If any court determines that any provision of this agreement is invalid or
     unenforceable, any invalidity or unenforceability will affect only that
     provision and will not make any other provision of this agreement invalid
     or unenforceable and such provision shall be modified, amended or limited
     only to the extent necessary to render it valid and enforceable.

13.  Disputes

     If a dispute arises, either party may take the matter to court.

                         Promissory Note -- Page 2 of 3

<PAGE>

BORROWER

Sierra Norte, LLC,
a New Mexico limited liability company
5111 Juan Tabo Blvd. N.E.
Albuquerque, New Mexico 87122

Dated:  May 20, 2005
       --------------------------
By: /s/ Fred M. Montano
    --------------------------------
    Fred M. Montano Managing MemberExhibit 10.3

                                 Promissory Note

   $200,000.00                                            Date: June 01, 2005

For value received, the undersigned Sierra Norte LLC (the "Borrower"), at 5111
Juan Tabo Blvd. N.E., Albuquerque,, New Mexico 87111, promises to pay to the
order of Karen Y. Duran, (the "Lender"), at 12512 Modesto Ave. N.E.,
Albuquerque,, New Mexico 87122, (or at such other place as the Lender may
designate in writing) the sum of $200,000.00 with interest from June 01, 2005,
on the unpaid principal at the rate of 8.50% per annum.

Unpaid principal after the Due Date shown below shall accrue interest at a rate
of 12.00% annually until paid.

The unpaid principal and accrued interest shall be payable in annual
installments of $17,000.00, beginning on June 01, 2006, and continuing until
June 01, 2006, (the "Due Date"), at which time the remaining unpaid principal or
principal and interest shall be due in full.

THE BORROWER UNDERSTANDS THAT THE PAYMENT OF THE ABOVE INSTALLMENT PAYMENTS MAY
NOT FULLY AMORTIZE THE PRINCIPAL BALANCE OF THE NOTE, AND THEREFORE, A BALLOON
PAYMENT MAY BE DUE ON THE DUE DATE.

All payments on this Note shall be applied first in payment of accrued interest
and any remainder in payment of principal.

If any installment is not paid when due, the remaining unpaid balance and
accrued interest shall become due immediately at the option of the Lender.

The Borrower reserves the right to prepay this Note (in whole or in part) prior
to the due date with no prepayment penalty.

If any payment obligation under this Note is not paid when due, the Borrower
promises to pay all costs of collection, including reasonable attorney fees,
whether or not a lawsuit is commenced as part of the collection process.

If any of the following events of default occur, this Note and any other
obligations of the Borrower to the Lender, shall become due immediately, without
demand or notice:

1)   the failure of the Borrower to pay the principal and any accrued interest
     in full on or before the Due Date;

2)   the death of the Borrower(s) or Lender(s);

3)   the filing of bankruptcy proceedings involving the Borrower as a Debtor;

<PAGE>

4)   the application for appointment of a receiver for the Borrower;

5)   the making of a general assignment for the benefit of the Borrower's
     creditors;

6)   the insolvency of the Borrower;

7)   the misrepresentation by the Borrower to the Lender for the purpose of
     obtaining or extending credit.

In addition, the Borrower shall be in default if there is a sale, transfer,
assignment, or any other disposition of any assets pledged as security for the
payment of this Note, or if there is a default in any security agreement which
secures this Note.

If any one or more of the provisions of this Note are determined to be
unenforceable, in whole or in part, for any reason, the remaining provisions
shall remain fully operative.

All payments of principal and interest on this Note shall be paid in the legal
currency of the United States. Borrower waives presentment for payment, protest,
and notice of protest and nonpayment of this Note.

No renewal or extension of this Note, delay in enforcing any right of the Lender
under this Note, or assignment by Lender of this Note shall affect the liability
of the Borrower. All rights of the Lender under this Note are cumulative and may
be exercised concurrently or consecutively at the Lender's option.

This Note shall be construed in accordance with the laws of the State of New
Mexico.

Signed this 1st day  of  June, 2005
                         ----------

Borrower:

Sierra Norte LLC

By: /s/ Fred M. Montano
    --------------------------------
    Fred M. Montano Managing MemberExhibit 10.4

                                 PROMISSORY NOTE

   $66,000.00                                            Date: June 19, 2005

For value received, the undersigned Sierra Norte LLC (the "Borrower"), at 5111
Juan Tabo Blvd. N.E., Albuquerque,, New Mexico 87111, promises to pay to the
order of Karen Y. Duran, (the "Lender"), at 12512 Modesto Ave. N.E.,
Albuquerque,, New Mexico 87122, (or at such other place as the Lender may
designate in writing) the sum of $66,000.00 with interest from June 19, 2005, on
the unpaid principal at the rate of 8.50% per annum.

Unpaid principal after the Due Date shown below shall accrue interest at a rate
of 12.00% annually until paid.

The unpaid principal and accrued interest shall be payable in full on May 25,
2006 (the "Due Date").

All payments on this Note shall be applied first in payment of accrued interest
and any remainder in payment of principal.

If any installment is not paid when due, the remaining unpaid balance and
accrued interest shall become due immediately at the option of the Lender.

The Borrower reserves the right to prepay this Note (in whole or in part) prior
to the due date with no prepayment penalty.

If any payment obligation under this Note is not paid when due, the Borrower
promises to pay all costs of collection, including reasonable attorney fees,
whether or not a lawsuit is commenced as part of the collection process.

If any of the following events of default occur, this Note and any other
obligations of the Borrower to the Lender, shall become due immediately, without
demand or notice:

1)   the failure of the Borrower to pay the principal and any accrued interest
     in full on or before the Due Date;

2)   the death of the Borrower(s) or Lender(s);

3)   the filing of bankruptcy proceedings involving the Borrower as a Debtor;

4)   the application for appointment of a receiver for the Borrower;

5)   the making of a general assignment for the benefit of the Borrower's
     creditors;

6)   the insolvency of the Borrower;

<PAGE>

7)   the misrepresentation by the Borrower to the Lender for the purpose of
     obtaining or extending credit.

In addition, the Borrower shall be in default if there is a sale, transfer,
assignment, or any other disposition of any assets pledged as security for the
payment of this Note, or if there is a default in any security agreement which
secures this Note.

If any one or more of the provisions of this Note are determined to be
unenforceable, in whole or in part, for any reason, the remaining provisions
shall remain fully operative.

All payments of principal and interest on this Note shall be paid in the legal
currency of the United States. Borrower waives presentment for payment, protest,
and notice of protest and nonpayment of this Note.

No renewal or extension of this Note, delay in enforcing any right of the Lender
under this Note, or assignment by Lender of this Note shall affect the liability
of the Borrower. All rights of the Lender under this Note are cumulative and may
be exercised concurrently or consecutively at the Lender's option. This Note
shall be construed in accordance with the laws of the State of New Mexico.
Signed this 19th day of June, 2005.

Borrower:

Sierra Norte LLC

By: /s/ Fred M. Montano
    --------------------------------
    Fred M. Montano Managing Member

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