TY  - BOOK
AU  - Perry,Eugene S.
TI  - Gypsum, lime, and limestone in Montana
T2  - Montana. Bureau of Mines and Geology. Memoir
AV  - TN946 .P4
PY  - 1949///
CY  - Butte
PB  - Montana School of Mines
KW  - Gypsum
KW  - Lime
KW  - Limestone
KW  - Montana
KW  - Building materials
N1  - Bibliography: p. 21-22, 45
ER  -