TY  - BOOK
ED  - U.S. Geological Survey Powder River Basin Province Assessment Team.
ED  - National Assessment of Oil and Gas Project U.S.
ED  - Geological Survey (U.S.)  
TI  - Total petroleum system and assessment of coalbed gas in the Powder River Basin Province, Wyoming and Montana
T2  - USGS Digital Data Series
SN  - 060798080X
PY  - 2004///
CY  - Denver, Colo.
PB  - U.S. Dept. of the Interior, U.S. Geological Survey
KW  - Natural gas
KW  - Powder River Basin (Wyo. and Mont.)
KW  - Local
KW  - Coalbed methane
KW  - Petroleum
N1  - Shipping list no.: 2004-0029-E; At head of title: National Assessment of Oil and Gas Project; Title from title screen; Includes bibliographical references
ER  -