TY  - BOOK
AU  - Silverman,A.J.
AU  - Harris,William L.
TI  - Stratigraphy and economic geology of the Great Falls-Lewistown coal field, central Montana,
T2  - Montana. Bureau of Mines and Geology. Bulletin 56
AV  - QE133 .S5
U1  - 553/.24/097866 
PY  - 1967///
CY  - Butte
PB  - Montana College of Mineral Science and Technology; [for sale by Montana Bureau of Mines and Geology]
KW  - Geology
KW  - Montana
KW  - Coal
KW  - Geology, Stratigraphic
KW  - Mesozoic
N1  - Prepared in cooperation with Montana University System Coal Resources Research Council; Bibliography: p. 17
ER  -