TY  - RPRT
TI  - Geology of the Dubuque North quadrangle, Iowa-Wisconsin-Illinois
AU  - Jesse W. Whitlow
AU  - C. Ervin Brown
PY  - 1963
DO  - 10.3133/b1123c
UR  - https://pubs.usgs.gov/publication/b1123C
ID  - b1123C
ER  -