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

                                   FORM 12b-25
                           NOTIFICATION OF LATE FILING

Commission File Number: 000-54770
                       ----------
(Check One):  [ ] Form 10-K                   [X] Form 10-Q
              [ ] Form 20-F  [ ] Form 11-K    [ ] Form N-SAR

For Period Ended: March 31, 2017
                 ------------------------
[ ] Transition Report on Form 10-K    [ ] Transition Report on Form 20-F
[ ] Transition Report on Form 11-K    [ ] Transition Report on Form 10-Q
[ ] Transition Report on Form N-SAR

For the Transition Period Ended:

If the notification  relates to a portion of the filing checked above,  identify
the Item(s) to which the notification relates:

PART I - REGISTRANT INFORMATION

                   Mansfield-Martin Exploration Mining, Inc.
                   -----------------------------------------
                             Full Name of Registrant


                            -------------------------
                            Former Name if Applicable

                              1137 Highway 80 East
                                   PO Box 1218
            ---------------------------------------------------------
            Address of Principal Executive Office (Street and Number)

                               Tombstone, AZ 86638
                            -------------------------
                            City, State and Zip Code

PART II - RULES 12b-25(b) and (c)

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,  semi-annual  report,  transition  report on
     Form 10-K, Form 20-F, 11-K, 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-Q,  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.

PART III - NARRATIVE

State below in reasonable detail the reasons why the Form 10-K, 11-K, 20-F,
10-Q, N-SAR, or other transition report or portion thereof, could not be filed
within the prescribed period.

The Registrant was unable without unreasonable efforts and expense to prepare
its accounting records and schedules in sufficient time to allow its accountants
to complete their review of the Registrant's financial statements for the period
ending March 31, 2017 before the required filing date for the subject Quarterly
Report on Form 10-Q. The Registrant intends to file the subject Quarterly Report
on Form 10-Q on or before the fifth day following the prescribed due date.

PART IV - OTHER INFORMATION

(1)  Name  and  telephone  number  of  person  to  contact  in  regard  to  this
     notification

           John T. Bauska                  (520)            457-9404
           -------------------------------------------------------------
           (Name)                     (Area Code)     (Telephone Number)

(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 reports), been filed? If 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 statement 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,
if  appropriate,  state the  reasons  why a  reasonable  estimate of the results
cannot be made.

                    Mansfield-Martin Exploration Mining, Inc.
                  --------------------------------------------
                  (Name of Registrant as Specified in Charter)

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


Date: May 15, 2017                     By: /s/ John T. Bauska
                                           -------------------------------------
                                           John T. Bauska, CEO