TY  - BOOK
AU  - Lee,Fitzhugh T.
AU  - Abel,John F.
AU  - Nichols,Thomas C.
TI  - The relation of geology to stress changes caused by underground excavation in crystalline rocks at Idaho Springs, Colorado
T2  - Geological Survey professional paper
AV  - TA706 .L43
PY  - 1976///
CY  - Washington
PB  - U. S. Govt. Print. Off.
KW  - Rock mechanics
KW  - Colorado
KW  - Idaho Springs
KW  - Crystalline rocks
N1  - Bibliogr.: p. 46-47
ER  -