<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 12B-25
NOTIFICATION OF LATE FILING
333-31681
------------------------
(Commission File Number)
/ / Form 10-K and Form 10-KSB
/_/ Form 11-K
/_/ Form 20-F
/X/ Form 10-Q and Form 10-QSB
/_/ Form N-SAR
For period ended: June 30, 1999
/_/ Transition Report on Form 10-K and Form 10-KSB
/_/ Transition Report on Form 20-F
/_/ Transition Report on Form 11-K
/_/ Transition Report on Form 10-Q and Form 10-QSB
/_/ Transition Report on Form N-SAR
For the transition period ended: _________________________________________
Nothing in this form shall be construed to imply that the Commission has
verified any information contained herein.
If the notification relates to a portion of the filing checked above, identify
the item(s) to which the notification relates: Not Applicable
--------------
PART I
REGISTRANT INFORMATION
Full name of registrant: Atlas-Energy for the Nineties-Public # 6 Ltd.
Former name (if applicable): N/A
Address of principal executive offices: 311 Rouser Road,
Moon Township, PA 15108
<PAGE>
PART II
RULE 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, 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, 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.
PART III
NARRATIVE
An unanticipated limitation on the availability of specialized staff
resources coupled with problems associated with certain Company computer
systems have temporarily precluded the registrant from preparing financial
statements and financial data as of June 30, 1999, in strict compliance with
Regulations S-X and S-K. The registrant is rectifying these conditions,
and it is expected that the Form 10-Q SB will be filed no later than the
fifth calendar day following the prescribed due date.
PART IV
OTHER INFORMATION
(1) Name and telephone number of person to contact in regard to this
notification:
Tony C.Banks, Vice President & CFO (412)262-2830
---------------------------------------------------------------------
(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 twelve 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
<PAGE>
(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.
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.
Atlas-Energy for the Nineties-Public #6 Ltd.
By: /X/ Tony C. Banks
-------------------------------------------
Tony C. Banks, Vice President & C.F.O.
Date: August 12, 1999
