FORM 12B-25
                                SEC FILE NUMBER
                                    0-19333

                    U.S. SECURITIES AND EXCHANGE COMMISSION

                            WASHINGTON, D.C. 20459

                                  FORM 12B-25

                          NOTIFICATION OF LATE FILING

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

For Period Ended: . . . . . . . . .  6/30/97
[ ] 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:

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.


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

PART I-REGISTRANT INFORMATION

                                         MASON OIL COMPANY, INC.
                                        (Full name of Registrant)

                                          6337 RAVENWOOD DRIVE
                                 (Address of Principal Executive Office)

                                        SARASOTA, FLORIDA  34243
                                            (City State Zip)

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)

     (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 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.Q or Fprm  10-QSB, or portion thereof
         will be filed on or before the fifth calendar day  following  the
         prescribe  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 Form 10-K and 10-KSB, 20-F,
11-K, 10-Q and 10-QSB, N-SAR or the transition report or portion thereof could
not be filed within the prescribed time period.

     MORE TIME IS NEEDED TO ACCUMULATE INFORMATION.


PART IV. OTHER INFORMATION


(1)  Name and telephone number of person to contact in regard to this
     notification
                    Paul B. Ingram            (303)          351-3102
                        (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 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.

                     BION ENVIRONMENTAL TECHNOLOGIES, INC.

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

Date     September 26, 1997     /s/ M. Paul B. Ingram, 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.


                                   ATTENTION
     Intentional misstatements or omissions of fact constitute Federal
     Criminal Violations (See 18 U.S.C. 1001).