TY - BOOK T1 - Organic petrographic and Rock-Eval pyrolysis analyses of Proterozoic belt supergroup rocks, west central Montana DA - 1994. CY - [Reston, Va.?] : CY - [Denver, Colo. : AU - Pawlewicz, M. J. VL - 94-155 CN - I 19.76: PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Books and Open-File Reports Section, distributor], PP - [Reston, Va.?] : PP - [Denver, Colo. : PY - 1994. N1 - Cover title. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 95-0601-M. ID - 196738 KW - Petroleum KW - Geology, Stratigraphic TI - Organic petrographic and Rock-Eval pyrolysis analyses of Proterozoic belt supergroup rocks, west central Montana ER -