EXHIBIT 10.2






                  NATURAL RESOURCE GROUP, INC. PROMISSORY NOTE

                                                    Maturity Date: March 1, 2011
                                                             Littleton, Colorado
$360,000 US

     1. Principal and Interest.

     1.1 Agreement to Pay. Natural Resource Group, Inc., a Colorado  corporation
(the "Company" or "Borrower"), for value received, hereby promises to pay to the
order of Energy Oil and Gas,  Inc. (the  "Investor,"  "Holder," or "Lender") the
principal  sum of  Three  Hundred  and  Sixty  Thousand  United  States  dollars
($360,000.00US)  at the place and in the manner hereinafter  provided,  together
with  interest  thereon at the rate or rates  described  below,  and any and all
other amounts which may be due and payable hereunder from time to time.

     1.2 Interest.  This is not an interest  bearing note, and no interest shall
accrue except in accordance with paragraph 6.1.

     1.3 Payment Terms. The unpaid  principal  balance of this Note shall be due
and payable in full in one payment on March 1, 2011,  hereinafter  the "Maturity
Date".

     1.4  Application  of  Payments.  Prior  to the  occurrence  of an  Event of
Default,  any payments and prepayments on account of the indebtedness  evidenced
by this Note shall be applied to the unpaid principal  balance of this Note. Any
prepayment  on  account  of the  indebtedness  evidenced  by this Note shall not
extend or postpone the due date.

     After an Event of Default has occurred and is  continuing,  payments may be
applied by Lender to amounts owed hereunder as follows: (a) first to accrued and
unpaid interest under this Note; and (b) second to the unpaid principal  balance
of this Note.

     1.5 Surrender Upon Payment Upon payment in full of the principal hereof and
accrued  interest  hereunder,  this Note shall be surrendered to the Company for
cancellation.

     1.6 Location of Payment.  The  principal of and interest on this Note shall
be payable at the principal  office of the Company and shall be forwarded to the
address of the Holder hereof as such Holder shall from time to time designate.

     1.7  Payment  Prior  to  Maturity  Date.   Though  the  Parties   expressly
acknowledge  that payment  under this Note is not due until the Maturity Date of
March 1, 2011,  Purchaser  will make a good faith attempt to pay off the Note as
soon as practical.

     2.  Security.  This Note  shall be  secured  by a first  priority  security
interest  made by Borrower  to Lender on the  property  that is more  completely
described on Exhibit B of the Purchase and Sale  Agreement to which this Note is
attached (hereinafter  referred to as the "Assets").  The parties understand and
agree that the Assets shall not include any property or interest of the Borrower
that is not set specifically forth on the above described Exhibit B.

                                       1


     3. Event of Default.  The  occurrence  of any one or more of the  following
events  (regardless  of the  reason  therefor),  shall  constitute  an "Event of
Default" hereunder:

          (a) The Company shall fail to make any payment of principal of, or
 interest on, or any other amount owing in respect of, the Note when due and
 payable or declared due and payable, and such failure shall have remained
 unremedied for a period of five (5) business days.

     4.  Attorney's  Fees. If the  indebtedness  represented by this Note or any
part  thereof  is  collected  in  bankruptcy,  receivership  or  other  judicial
proceedings  or if this Note is placed in the hands of attorneys for  collection
after  default,  the Company  agrees to pay, in  addition to the  principal  and
interest payable hereunder, reasonable attorneys' fees and costs incurred by the
Investor.

     5. Prepayment.  The Company may at any time prepay this Note in whole or in
part, without any penalty or fee of any sort.

     6. Failure to pay on or before the Maturity Date. If the Company shall fail
to pay this Note in full on or before the Maturity  Date,  then the Lender shall
take the steps set forth below in this Section 6 in the order established.

     6.1 First  interest  shall  accrue  at 10% per  annum,  retroactive  to the
execution date of this Note on all unpaid principal.

     6.2 Second, if the Note is not paid in full on or before July 1, 2011, then
an undivided interest up to 100% interest in all of the Assets listed in Exhibit
B shall revert to Investor,  and Borrower shall promptly execute and deliver all
documentation necessary to effect such reversion.  Simultaneously, all shares of
common  stock  issued  to  Seller  in  connection  with  the  Purchase  and Sale
Agreement,  to which this Note is  attached as Exhibit B, shall  immediately  be
surrendered to Purchaser by Seller,  and Purchaser  shall  promptly  cancel such
shares. Seller shall not have any obligation to return any payments of principal
or interest that have been made.

     6.3  Remedies.  The remedies  for default  listed in this  Section,  6, are
exclusive and Investor shall have no other remedies, in law or in equity, except
for those listed in this Section, 6.

     7.  Representations,  Warranties and Covenants of the Company.  The Company
represents, warrants and covenants with the Holder as follows:

         (a) Authorization; Enforceability. All corporate action on the part of
the Company, its officers, directors and stockholders necessary for the
authorization, execution and delivery of this Note and the performance of all
obligations of the Company hereunder has been taken, and this Note constitutes a
valid and legally binding obligation of the Company, enforceable in accordance
with its terms except (i) as limited by applicable bankruptcy, insolvency
("Assets"). The parties understand and agree that the Assets shall not include
any property or interest of the Borrower that is not set specifically forth on
the above described Exhibit B.

     3. Event of Default.  The  occurrence  of any one or more of the  following
events  (regardless  of the  reason  therefor),  shall  constitute  an "Event of
Default" hereunder:

                                       2


     (a) The Company shall fail to make any payment of principal of, or interest
on, or any other  amount  owing in respect  of, the Note when due and payable or
declared due and payable,  and such failure shall have remained unremedied for a
period of five (5) business days.

     4.  Attorney's  Fees. If the  indebtedness  represented by this Note or any
part  thereof  is  collected  in  bankruptcy,  receivership  or  other  judicial
proceedings  or if this Note is placed in the hands of attorneys for  collection
after  default,  the Company  agrees to pay, in  addition to the  principal  and
interest payable hereunder, reasonable attorneys' fees and costs incurred by the
Investor.

     5. Prepayment.  The Company may at any time prepay this Note in whole or in
part, without any penalty or fee of any sort.

     6. Failure to pay on or before the Maturity Date. If the Company shall fail
to pay this Note in full on or before the Maturity  Date,  then the Lender shall
take the steps set forth below in this Section 6 in the order established.

     6.1 First  interest  shall  accrue  at 10% per  annum,  retroactive  to the
execution date of this Note on all unpaid principal.

     6.2 Second, if the Note is not paid in full on or before July 1, 2011, then
an undivided interest up to 100% interest in all of the Assets listed in Exhibit
B shall revert to Investor,  and Borrower shall promptly execute and deliver all
documentation necessary to effect such reversion.  Simultaneously, all shares of
common  stock  issued  to  Seller  in  connection  with  the  Purchase  and Sale
Agreement,  to which this Note is  attached as Exhibit B, shall  immediately  be
surrendered to Purchaser by Seller,  and Purchaser  shall  promptly  cancel such
shares. Seller shall not have any obligation to return any payments of principal
or interest that have been made.

     6.3  Remedies.  The remedies  for default  listed in this  Section,  6, are
exclusive and Investor shall have no other remedies, in law or in equity, except
for those listed in this Section, 6.

     7.  Representations,  Warranties and Covenants of the Company.  The Company
represents, warrants and covenants with the Holder as follows:

     (a) Authorization:  Enforceability. All corporate action on the part of the
Company,   its   officers,   directors  and   stockholders   necessary  for  the
authorization,  execution and delivery of this Note and the  performance  of all
obligations of the Company hereunder has been taken, and this Note constitutes a
valid and legally binding  obligation of the Company,  enforceable in accordance
with its terms  except  (i)as  limited  by  applicable  bankruptcy,  insolvency,
reorganization,  moratorium  and other  laws of  general  application  affecting
enforcement of creditors' rights generally, and (ii) as limited by laws relating
to  the  availability  of  specific  performance,  injunctive  relief  or  other
equitable remedies.

     (b) Governmental Consents. No consent,  approval,  qualification,  order or
authorization  of, or filing  with,  any local,  state or  federal  governmental
authority  is  required  on the  part of the  Company  in  connection  with  the
Company's  valid  execution,  delivery  or  performance  of this Note except any
notices  required to be filed with the Securities and Exchange  Commission under
Regulation D of the Securities Act of 1933, as amended (the "1933 Act"), or such
filings as may be required under applicable state securities laws, which will be
timely filed within the applicable periods therefor.

                                       3


     (c) No Violation. The execution, delivery and performance by the Company of
this Note and the consummation of the transactions  contemplated hereby will not
result in a violation of its  Certificate  of  Incorporation  or Bylaws,  in any
material  respect of any  provision of any  mortgage,  agreement,  instrument or
contract  to which it is a party or by which it is bound  or, to the best of its
knowledge, of any federal or state judgment,  order, writ, decree, statute, rule
or  regulation  applicable  to the  Company or be in material  conflict  with or
constitute,  with or without the  passage of time or giving of notice,  either a
material  default  under any such  provision  or an event  that  results  in the
creation of any  material  lien,  charge or  encumbrance  upon any assets of the
Company or the suspension,  revocation,  impairment, forfeiture or nonrenewal of
any  material  permit,  license,  authorization  or approval  applicable  to the
Company, its business or operations, or any of its assets or properties.

     8.  Representations  and  Covenants of the Holder.  The Company has entered
into this Note in reliance upon the following  representations  and covenants of
the Holder:

     (a)  Financial  Risk.  The  Holder has such  knowledge  and  experience  in
financial  and business  matters as to be capable of  evaluating  the merits and
risks of its  investment,  and has the ability to bear the economic risks of its
investment.

     9.Assignment.  Subject to the restrictions on transfer described in Section
12 below,  the rights and  obligations  of the Company  and the Holder  shall be
binding upon and benefit the  successors,  assigns,  heirs,  administrators  and
transferees of the parties.

     10.Waiver and Amendment.  Any provision of this Note may be amended, waived
or modified upon the written consent of the Company and the Holder.

     11.  Notices.  Any  notice,  other  communication  or payment  required  or
permitted  hereunder  shall be in writing and shall be deemed to have been given
upon delivery if  personally  delivered or three (3) business days after deposit
if deposited in the United  States mail for mailing by certified  mail,  postage
prepaid, and addressed as follows:

      If to Investor:     INVESTOR
                          Energy Oil and Gas, Inc. 5986
                          Heather Way
                          Longmont, CO 80503

      If to Company:      Natural Resource Group, Inc.
                          1789 Littleton Blvd.
                          Littleton, CO 80120
                          Attention: Paul Laird
                          Phone: (303)419-6005
                          Email: plaird@nrgcolo.com
                                 ------------------

Each of the above addressees may change its address for purposes of this Section
by giving to the other addressee  notice of such new address in conformance with
this Section.

     12.  Governing Law. This Note is being  delivered in and shall be construed
in  accordance  with the laws of the State of  Colorado,  without  regard to the
conflicts of law provisions thereof.

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     13.Heading;  References.  All headings used herein are used for convenience
only and  shall  not be used to  construe  or  interpret  this  Note.  Except as
otherwise indicated, all references herein to Sections refer to Sections hereof.

     14.  Waiver by the  Company.  The Company  hereby  waives  demand,  notice,
presentment, protest and notice of dishonor.

     15.  Delays.  No delay  by the  Holder  in  exercising  any  power or right
hereunder shall operate as a waiver of any power or right.

     16.  Severability.  If one or more  provisions  of this Note are held to be
unenforceable  under  applicable law, such provision shall be excluded from this
Note and the balance of the Note shall be  interpreted  as if such provision was
so excluded and shall be enforceable in accordance with its terms.

     17. No Impairment.  The Company will not, by any voluntary action, avoid or
seek to avoid the  observance or  performance of any of the terms to be observed
or  performed  hereunder  by the  Company,  but will at all times in good  faith
assist in the carrying out of all the  provisions of this Note and in the taking
of all such action as may be  necessary or  appropriate  in order to protect the
rights of the Holders of this Note against impairment.

     IN WITNESS WHEREOF, Natural Resource Group, Inc. has caused this Note to be
executed in its corporate name and this Note to be dated,  issued and delivered,
all on the date first above written.

                                    NATURAL RESOURCE GROUP, INC.


                                    By: /s/ Paul Laird
                                        --------------------------------------
                                        Paul Laird, President


                                    INVESTOR

                                    ENERGY OIL AND GAS, INC.


                                    By: /s/ Duane Bacon
                                        --------------------------------------
                                        Duane Bacon, President

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                           ADDENDUM TO PROMISORRY NOTE

     This  document  is an  addendum  to the  Promissory  Note issued by Natural
Resource Group, Inc. ("Borrower") to Energy Oil and Gas, Inc. ("Lender"),  dated
January 1, 2011.

     WHEREAS, the original Maturity Date for the above referenced note was March
1, 2011; and

     WHEREAS, the remaining balance on the note is 78,000; and

     WHEREAS, EOGI has agreed to modify the Promissory Note so that the maturity
date is extended to March 11, 2015.

     THEREFORE,  EOGI  agrees  that  the  remaining  amount  owed on the note is
$78,000 and the Maturity Date is December 11, 2015.

AGREED and EXECUTED this 30th day or July, 2013.


                                       ENERGY OIL AND GAS, INC.

                                       /s/ Duane Bacon
                                       ----------------------
                                       Duane Bacon, President