TY  - BOOK
AU  - Heinrich,E.William
TI  - Deposits of the sillimanite group of minerals south of Ennis, Madison County,: with notes on other occurrences in Montana
T2  - Montana. Bureau of Mines and Geology. Miscellaneous contribution
AV  - QE391.S5 H4
PY  - 1948///
CY  - Butte
PB  - Montana School of Mines
KW  - Sillimanite
KW  - Mines and mineral resources
KW  - Montana
KW  - Madison County
N1  - "References": p. 21-22
ER  -