TY  - RPRT
TI  - U.S. Geological Survey diamond drill logs, Kokomo (Tenmile) zinc-lead mining district, Colorado
AU  - Albert Herbert Koschmann
PY  - 1949
DO  - 10.3133/ofr5018
UR  - https://pubs.usgs.gov/publication/ofr5018
ID  - ofr5018
ER  -