TY  - RPRT
TI  - Descriptive logs of exploratory holes drilled during 1952 by the U.S. Geological Survey in Dubuque County, Iowa
AU  - Arthur E. Flint
AU  - Charles E. Brown
PY  - 1953
DO  - 10.3133/ofr5372
UR  - https://pubs.usgs.gov/publication/ofr5372
ID  - ofr5372
ER  -