UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K
                                    ________


                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934


                               SEPTEMBER 14, 2009
                ________________________________________________
                Date of Report (Date of earliest event reported)


                        AMERICAN EXPLORATION CORPORATION
             ______________________________________________________
             (Exact name of registrant as specified in its charter)


            NEVADA                    333-141060                  98-0518266
____________________________   ________________________      ___________________
(State or other jurisdiction   (Commission File Number)         (IRS Employer
       of incorporation)                                     Identification No.)


                      407 2ND ST SW
                        SUITE 700
                CALGARY, ALBERTA, CANADA                    T2P 2Y3
        ________________________________________           __________
        (Address of principal executive offices)           (Zip Code)


                                 (403) 735-5009
               __________________________________________________
               Registrant's telephone number, including area code


                                       N/A
          _____________________________________________________________
          (Former name or former address, if changed since last report)


Check the  appropriate  box below if the Form 8-K is intended to  simultaneously
satisfy  the filing  obligation  of the  registrant  under any of the  following
provisions:

[ ] Written communications pursuant to Rule 425  under  the  Securities  Act
    (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12  under  the Exchange Act
    (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))


                                    ________






SECTION 1. REGISTRANT'S BUSINESS AND OPERATIONS

ITEM 1.01  ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT

Effective on September 14, 2009, the Board of Directors of American  Exploration
Corporation, a Nevada corporation (the "Company"), authorized the execution of a
letter agreement (the "Letter Agreement") with Mainland Resources Inc., a Nevada
corporation ("Mainland Resources") to jointly develop contiguous acreage located
in Mississippi (the "Joint Development  Project").  In accordance with the terms
and  provisions  of the Letter  Agreement:  (i) the Company has agreed to commit
approximately  5,000 net  acres  and  Mainland  Resources  has  agreed to commit
approximately  8,200 net acres to the Joint Development  Project;  (ii) Mainland
Resources shall be the operator of the Joint Development Project; (iii) Mainland
Resources  has agreed to pay 80% of the initial  well  drilling  and  completion
costs to earn a 51% working interest in the well and the total Joint Development
Project;  and  (iv)the  Company  has agreed to to pay 20% of the  initital  well
drilling and  completetion  costs to earn a 49% working interest in the well and
the total Joint Development  Project.  In further  accordance with the terms and
provisions of the Joint Development  Project,  future costs,  including drilling
and  completions,  for oil and gas  activities  of the net  acreage in the Joint
Development  Project will be split of a 51%/49% basis between Mainland Resources
and the Company, respectively.

Mainland  Resources must acquire the acreage  committed to the Joint Development
Project  from an  unrelated  third  party on or before  October  15, 2009 or the
Letter Agreement terminates and is no longer in force and effect.


SECTION 9. FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01  FINANCIAL STATEMENTS AND EXHIBITS

(A) FINANCIAL  STATEMENTS OF BUSINESS  ACQUIRED.

    Not applicable.

(B) PRO FORMA FINANCIAL INFORMATION.

    Not applicable.

(C) SHELL COMPANY TRANSACTION.

    Not applicable.

(D) EXHIBITS.

    99.1   Press Release of American Exploration Corporation dated September 17,
           2009.


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                                   SIGNATURES


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.



                                     AMERICAN EXPLORATION CORP.


Date: September 21, 2009.


                                     /s/ STEVEN HARDING
                                     ________________________________________
                                     Name:  Steven Harding
                                     Title: President/Chief Executive Officer



















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