TY  - BOOK
AU  - Murphy,Thomas Daniel
TI  - Silica resources of Clark County, Nevada
AV  - TN948.S6 M8
PY  - 1954///
CY  - Reno
PB  - Nevada Bureau of Mines
KW  - Silica
KW  - Mines and mineral resources
KW  - Nevada
KW  - Clark County
N1  - Prepared cooperatively by the U.S. Geological Survey; "Literature cited": p. 24-25
ER  -