Document:

Filed by Automated Filing Services Inc. (604) 609-0244 - Columbus Ventures Inc. - Exhibit 10.1

PURCHASE AGREEMENT

THIS AGREEMENT dated for reference the 24th
day of October, 2005.

BETWEEN:

CHRISTOPHER NORMAND
DELORME, of Suite 107 – 5979 177B Street, Surrey, British Columbia,
Canada V3S 4J7

(hereinafter called the “Vendor”)

OF THE FIRST PART

AND:

CMBS EXPLORATIONS INC., a
British Columbia corporation having its registered office at Suite 1880, 1055
West Georgia Street, Box 11122, Royal Centre, Vancouver, British Columbia,
Canada V6E 3P3

(hereinafter called the
“Purchaser”)

OF THE SECOND PART

WHEREAS:

A. The Vendor is the beneficial owner of the mineral claims
described in Schedule “A” hereto (the “Property”);

B. The Vendor wishes to sell a 100% undivided interest in and
to the Property to the Purchaser and the Purchaser wishes to acquire such
interest pursuant to the terms and conditions hereinafter set out;

NOW THEREFORE THIS AGREEMENT WITNESSES that in
consideration of the premises and of the mutual covenants and agreements
hereinafter contained, the parties hereto agree as follows:

VENDOR’S REPRESENTATIONS AND WARRANTIES

1. The Vendor represents and warrants to the Purchaser
that:

	 	(a) 	
      He is the sole recorded and beneficial owner of an
      undivided l00% interest in and to the Property;

	 	 	 
	 	(b) 	
      The claims comprising the Property have been, to the best
      of the information and belief of the Vendor, properly located and staked
      and recorded in compliance with the laws of the jurisdiction in which they
      are situate, are accurately described in Schedule “A” and are valid and
      subsisting mineral claims as at the date of this
  Agreement;

-2-

	 	(c) 	
      The Property is in good standing under all applicable
      laws and regulations, all assessment work required to be performed and
      filed has been performed and filed, all taxes and other payments have been
      paid and all filings have been made;

	 	 	 
	 	(d) 	
      The Property is free and clear of any encumbrances, liens
      or charges and neither the Vendor nor, to the best of the Vendor’s
      knowledge, any of her predecessors in interest or title, have done
      anything whereby the Property may be encumbered; and

	 	 	 
	 	(e) 	
      He has the right to enter into this Agreement and to deal
      with the Property in accordance with the terms of this Agreement, there
      are no disputes over the title to the Property, and no other party has any
      interest in the Property or the production therefrom or any right to
      acquire any such interest.

PURCHASER’S REPRESENTATIONS AND WARRANTIES

2. The Purchaser represents and warrants to the Vendor
that:

	 	(a) 	
      it has been duly incorporated, amalgamated or continued
      and validly exists as a corporation in good standing under the laws of its
      jurisdiction of incorporation, amalgamation or continuation;

	 	 	 
	 	(b) 	
      it has duly obtained all corporate authorizations for the
      execution of this Agreement and for the performance of this Agreement by
      it, and the consummation of the transactions herein contemplated will not
      conflict with or result in any breach of any covenants or agreements
      contained in, or constitute a default under, or result in the creation of
      any encumbrance under the provisions of the Articles or the constating
      documents of the Purchaser or any shareholders’ or directors’ resolution,
      indenture, agreement or other instrument whatsoever to which the Purchaser
      is a party or by which it is bound or to which it or the Property may be
      subject; and

	 	 	 
	 	(c) 	
      no proceedings are pending for, and the Purchaser is
      unaware of any basis for the institution of any proceedings leading to,
      the dissolution or winding up of the Purchaser or the placing of the
      Purchaser in bankruptcy or subject to any other laws governing the affairs
      of insolvent corporations.

SURVIVAL OF REPRESENTATIONS AND WARRANTIES

3. The representations and warranties in this Agreement shall
survive the closing of this transaction and shall apply to all assignments,
conveyances, transfers and documents delivered in connection with this Agreement
and there shall not be any merger of any representations and warranties in such
assignments, conveyances, transfers or documents notwithstanding any rule of
law, equity or statute to the contrary and all such rules are hereby waived. The
Vendor shall have the right to waive any representation and warranty made by the
Purchaser in the Vendor’s favour without prejudice to any of its rights with
respect to any other breach by the Purchaser and the Purchaser shall have the
same right with respect to any of the Vendor’s representations in the
Purchaser’s favour.

-3-

PURCHASE AND SALE

4. The Vendor hereby sells and assigns and the Purchaser hereby
purchases a 100% undivided interest in and to the Property for the sum of $3,500
US payable on execution of this Agreement.

FURTHER ASSURANCES

5. Upon payment of the Purchase Price the Vendor shall cause to
be executed a Bill of Sale or such other documents as the Purchaser may
reasonably require transferring a 100% undivided interest in and to the Property
to the Purchaser or its nominee which the Purchaser shall be at liberty to
record forthwith. The parties shall execute all further documents or assurances
as may be required to carry out the full intent of this Agreement.

NOTICE

6. Each notice, demand or other communication required or
permitted to be given under this Agreement shall be in writing and shall be
delivered, telegraphed or telecopied to such party at the address for such party
specified above. The date of receipt of such notice, demand or other
communication shall be the date of delivery thereof if delivered or telegraphed
or, if given by telecopier, shall be deemed conclusively to be the next business
day. Either party may at any time and from time to time notify the other party
in writing of a change of address and the new address to which notice shall be
given to it thereafter until further change.

PAYMENT

7. All references to monies hereunder will be in United States
funds. All payments to be made to any party hereunder may be made by check
mailed or delivered to such party to its address for notice purposes as provided
herein.

ENTIRE AGREEMENT

8. This Agreement constitutes the entire agreement between the
parties and replaces and supercedes all agreements, memoranda, correspondence,
communications, negotiations and representations, whether verbal or express or
implied, statutory or otherwise, between the parties with respect to the subject
matter herein.

GENDER

9. Wherever the singular or neuter are used herein the same
shall be deemed to include the plural, feminine or masculine.

ENUREMENT

10. This Agreement shall enure to the benefit of and be binding
upon the parties hereto and their respective successors and permitted
assigns.

-4-

EXECUTION

11. (a) Counterparts. This Agreement may be executed in one or
more counterparts, all of which will be considered one and the same agreement
and will become effective when one or more counterparts have been signed by each
of the parties and delivered to the other parties, it being understood that all
parties need not sign the same counterpart.

(b) Fax Execution. This Agreement may be executed by delivery
of executed signature pages by fax and such fax execution will be effective for
all purposes.

IN WITNESS WHEREOF this Agreement has been executed by
the parties hereto as of the day and year first above written.

VENDOR:

SIGNED, SEALED & DELIVERED BY CHRISTOPHER NORMAND
DELORME

In the presence of:

	  	 	/s/
      Christopher Normand Delorme 
	Signature of Witness 	 	CHRISTOPHER NORMAND DELORME 
	 	 	 
	 	 	 
	Name of Witness 	 	  
	 	 	 
	 	 	 
	Address of Witness 	 	  

PURCHASER:
CMBS EXPLORATIONS INC. 
by its
authorized signatory:

/s/ Lubow
Klauser
_______________________________
Signature of Authorized
Signatory

Lubow Klauser 
_______________________________
Name of
Authorized Signatory

President and Secretary

_______________________________
Position of Authorized Signatory

SCHEDULE “A”

THE PROPERTY

Cheryl Comego Claims. 

Recorded October 17, 2005. 

Consisting of Cell IDs:

092C16J015B 
092C16J015C
 092C16J016A 
092C16J016B

092C16J016C 
092C16J016D 
092C16J025B 
092C16J025C
 092C16J026A

092C16J026B 
092C16J026C 
092C16J026D

Located in the Victoria Mining Division, British Columbia,
CanadaASSET PURCHASE AGREEMENT

     ASSET  PURCHASE  AGREEMENT  ("Agreement"),  dated as of September ___, 2006
between Nova Leasing,  LLC  ("Seller"),  and Sun River Energy,  Inc., a Colorado
Corporation ("Buyer")

                                    RECITALS:

         WHEREAS, Seller holds certain mineral lease interests listed on Exhibit
A for the exploration of minerals in Wyoming ("Assets") hereafter;

         WHEREAS,  Seller  desires  to convey  such  assets to Buyer  subject to
certain conditions, and Buyer desires to acquire such assets, upon the terms and
subject to the conditions herein set forth; and

         NOW,  THEREFORE,  in  consideration  of the  premises  and  the  mutual
covenants and  agreements  herein  contained,  and intending to be legally bound
hereby, Seller and Buyer agree as follows:

                                    ARTICLE 1
                              TERMS OF TRANSACTION

1.1               Assets to be Transferred. At the Closing, and on the terms and
                  subject of the conditions set forth in this Agreement,  Seller
                  shall sell, assign, transfer, deliver and convey to Buyer, and
                  Buyer shall purchase from Seller, the assets listed on Exhibit
                  A.
1.2               Purchase Price and Payment.  In  consideration of the transfer
                  by Seller  to Buyer of the  assets,  Buyer  shall  provide  to
                  Seller the consideration as follows: $6,600,000; $3,300,000 in
                  the form of a Promissory Note bearing interest at 7.5%, due in
                  three  payments:   $1,100,000   March  15,  2007  at  closing,
                  $1,100,000 by November 30, 2007 and $1,100,000 by November 30,
                  2008,  notes to be secured by assets  listed on Exhibit A, and
                  880,000  shares of  restricted  common stock of Buyer with
                  registration  rights to be distributed  pro-rata to holders of
                  interests in Seller.

                                    ARTICLE 2
                                     CLOSING

2.1               Closing; Closing Date. The closing of the transactions
                  contemplated hereby (the "Closing") shall occur on or before
                  October 15, 2006

         At the Closing,  each of the parties  hereto  shall make the  following
deliveries or such deliveries in substitution  therefore as are  satisfactory to
the indicated recipient:

<PAGE>

2.2      Deliveries by Seller.

(1)  Seller  shall  deliver to Buyer:  Assignment  of Leases to the assets as is
     appropriate.

(2)  The  assignments  shall  contain  reverter  clauses  in  the  event  of non
     exploration and development as contained on Exhibit B hereto.

2.3      Deliveries by Buyer.

(1)  Buyer  shall  issue a  Promissory  Note  payable to Seller in the amount of
     $3,300,00 as required herein and a Mortgage,  Security and Pledge Agreement
     and UCC - 1 securing the note against the assets assigned and held by
     Buyer.

                                    ARTICLE 3
                              WARRANTIES OF SELLER

         Seller represents and warrants to Buyer that:

3.l  Authority  Relative to this Agreement.  Seller has full power and authority
     to execute,  deliver and  perform  this  Agreement  and to  consummate  the
     transactions contemplated hereby.

3.2  Title to  Assets.  Seller is the owner  of,  and has good and  indefeasible
     title to the fee minerals and valid leases on the mineral leases.

3.3  Seller's.  Seller  has no  knowledge  of any  facts  or  circumstances  the
     existence or absence of which are  reasonably  likely to cause assets to be
     valueless.

3.4  The  assets  will be  delivered  free and clear of liens  and  encumbrances
     except those required in this contract.

                                    ARTICLE 4
                   ADDITIONAL AGREEMENTS & WARRANTIES OF BUYER

4.1  Buyer agrees to the terms of Reverter Clauses as listed on Exhibit B.

4.2  Fees  and  expenses.   Except  as  otherwise  expressly  provided  in  this
     Agreement,  all fees and expenses,  including fees and expenses of counsel,
     financial  advisors  and  accountants,  incurred  in  connection  with this
     Agreement  and the  transactions  contemplated  hereby shall be paid by the
     party incurring such fee or expense.

<PAGE>

                                    ARTICLE 5
                                   TERMINATION

5.1  Termination.   This  Agreement  may  be  terminated  and  the   transaction
     contemplated  hereby  abandoned  at any time  prior to the  Closing  in the
     following manner:

(a)  by Seller,  if Buyer shall have failed to fulfill in any  material  respect
     any of its material obligations under this Agreement; or

(b)  by Buyer, if Seller shall have failed to fulfill in an material respect any
     of its material obligations under this Agreement.

IN WITNESS  WHEREOF,  the parties have executed this  Agreement,  or caused this
Agreement to be executed by their duly authorized representatives, all as of the
day and year first above written.

SELLER:

Nova Leasing, LLC

By: __________________________________

Title:_________________________________

Date: _________________________________

BUYER:

Sun River Energy, Inc.

By: ___________________________________

Title: __________________________________

Date: __________________________________

<PAGE>

                                    EXHIBIT A

         A conditional  assignment of 80% NRI in and to the following  described
mineral  leases (and  seller  shall  receive  and retain a 15%  carried  working
interest in the wells through completion.):

         (to be inserted)

         Condition subject to a drilling and development commitment as follows:

         At least 4 wells shall be drilled on or before _______________________,
or all  undrilled  acreage  (each well holds 160 acres)  shall revert to Seller.
Thereafter at least 8 wells per year shall be drilled on the acreage in order to
continue to hold.

         The leases for which the assignment is made, have specific limitations,
and the assignment is made subject to those limitations.

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00113-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00113-of-00352.parquet"}]]