TY  - RPRT
TI  - Altitude, depth, and thickness of the Galena-Platteville Bedrock Unit in the subcrop area of Illinois and Wisconsin
AU  - Timothy A. Brown
AU  - Charles P. Dunning
AU  - Jennifer B. Sharpe
PY  - 2000
DO  - 10.3133/wri974054c
UR  - https://pubs.usgs.gov/publication/wri974054C
ID  - wri974054C
ER  -