TY  - BOOK
AU  - Walker,Gloria L.
AU  - Smith,Stephen D.
TI  - Survey methods and statistical summary of nonfuel minerals
PY  - 1988///
CY  - Washington
PB  - Bureau of Mines
KW  - Mines and mineral resources
KW  - United States
KW  - Local
KW  - Nonfuel minerals industry
ER  -