TY  - RPRT
TI  - Geology and zinc-lead deposits in the Durango area, Dubuque County, Iowa
AU  - Arthur E. Flint
AU  - C. Erwin Brown
PY  - 1955
DO  - 10.3133/mf33
UR  - https://pubs.usgs.gov/publication/mf33
ID  - mf33
ER  -