TY  - RPRT
TI  - Geologic map and recent drilling data of the Durango area, Dubuque County, Iowa
AU  - Arthur Emerson Flint
AU  - C. Ervin Brown
PY  - 1954
DO  - 10.3133/ofr5490
UR  - https://pubs.usgs.gov/publication/ofr5490
ID  - ofr5490
ER  -