TY  - RPRT
TI  - Contributions to economic geology, 1920, Part I, Metals and nonmetals except fuels--The Divide silver district, Nevada
AU  - Adolph Knopf
PY  - 1921
DO  - 10.3133/b715k
UR  - https://pubs.usgs.gov/publication/b715K
ID  - b715K
ER  -