Dan A. Billman
Appalachian Basin Geologist
Billman Geologic Consultants, Inc.
402 Lincoln Ave. / P.O. Box 567
Mars, PA 16046 USA
(724) 625-3461

![]()
![]()
Dan A. Billman
Appalachian Basin Geologist
Billman Geologic Consultants, Inc.
402 Lincoln Ave. / P.O. Box 567
Mars, PA 16046 USA
(724) 625-3461
Charles Alan Sternbach, Ph.D
Oil and Gas Exploration
Star Creek Energy
800 Wilcrest Drive, Ste 230
Houston, TX 77042 USA
(281) 679-7333