U.S. SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 12b-25

                           NOTIFICATION OF LATE FILING

                               (Check One):
[ ]Form 10-KSB;   [ ]Form 20-F;   [ ]Form 11-K;   [X]Form 10-QSB;  [ ]Form N-SAR

     For Period Ended:                              March 31, 2007
     [ ]Transition Report on Form 10-K
     [ ]Transition Report on Form 20-F              SEC FILE NUMBER
     [ ]Transition Report on Form 11-K                  0-12809
     [ ]Transition Report on Form 10-Q
     [ ]Transition Report on Form N-SAR
     For the Transition Period Ended:
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Read Attached Instruction Sheet Before Preparing Form. Please Print or Type.

     Nothing in this form shall be construed to imply that the Commission has
     verified any information contained herein.
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     If the notification relates to a portion of the filing checked above,
     identify the Item(s) to which the notification relates:

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Part I--Registrant Information
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     Full Name of Registrant:             American Resource Technologies, Inc.
     Former Name if Applicable:           Golden Chief Resources, Inc.
     Address of Principal Executive
     Office (Street and Number):          896 N. Mill Street, Suite 203
     City, State & Zip Code               Lewisville, Texas 75057
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Part II--Rules 12b-25 (b) and (c)
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If the subject report could not be filed without unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate)




     [X](a) The reasons described in reasonable detail in Part III of this form
could not be eliminated without unreasonable effort or expense;

     [X](b) The subject annual report, semiannual report, transition report on
Form 10-KSB, Form 20-F, 11-K or Form N-SAR, or portion thereof will be filed on
or before the fifteenth calendar day following the prescribed due date; or the
subject quarterly report or transition report on Form 10-QSB, or portion thereof
will be filed on or before the fifth calendar day following the prescribed due
date; and

     [ ](c) The accountant's statement or other exhibit required by Rule
12b-25(c) has been attached if applicable.
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Part III--Narrative
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State below in reasonable detail the reasons why Form 10-KSB, 20-F, 11-K,
10-QSB, N-SAR or the transition report or portion thereof could not be filed
within the prescribed time period. (Attach Extra Sheets if Needed)

The Company and its auditors, Turner, Stone and Company are reviewing files.
Completion of the report should occur in the next ten days.


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Part IV--Other Information
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     (1)Name and telephone number of person to contact in regard to this
notification:                 M. H. McIlvain              (972) 219-8585

     (2)Have all other periodic reports required under section 13 or 15(d)
of the Securities Exchange Act of 1934 or section 30 of the Investment
Company Act of 1940 during the preceding 12 months or for such shorter
period that the registrant was required to file such report(s) been filed?
If the answer is no, identify report(s).             [X] Yes  [ ] No

     (3)Is it anticipated that any significant change in results of operations
from the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof? [ ]
Yes [X] No  [ ]

     If so: attach an explanation of the anticipated change, both narratively
and quantitatively, and, if appropriate, state the reasons why a reasonable
estimate of the results cannot be made.



                      AMERICAN RESOURCE TECHNOLOGIES, INC.

has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.


Date:   May 14, 2007                    By: /s/ MICHAEL H. MCILVAIN
                                            ------------------------------------
                                            Michael H. McIlvain
                                            Executive Vice President and
                                            Chief Financial Officer

INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly authorized representative. The name and title of the person
signing the form shall be typed or printed beneath the signature. If the
statement is signed on behalf of the registrant by an authorized representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

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