TY  - BOOK
AU  - Koschmann,Albert Herbert
AU  - Bergendahl,M.H.
TI  - Principal gold-producing districts of the United States,
T2  - Geological Survey professional paper 610
AV  - QE75 .P9 no. 610
U1  - 553/.41/0973 
PY  - 1968///
CY  - Washington
PB  - U.S. Dept. of the Interior
KW  - Gold mines and mining
KW  - United States
KW  - Gold ores
N1  - Bibliography: p. 263-276
ER  -