TY  - BOOK
AU  - Spurr,Josiah Edward
TI  - Geology of the Tonopah mining district, Nevada,
T2  - U.S. Geological survey. Professional paper
AV  - QE75 .P9 no. 42
PY  - 1905///
CY  - Washington
PB  - Govt. print. off.
KW  - Geology
KW  - Nevada
KW  - Mines and mineral resources
N1  - Subject series: A, Economic geology, 56; B, Descriptive geology, 65
ER  -