TY  - RPRT
TI  - An extensive pre-Cretaceous weathering profile in east-central and southwestern Minnesota
AU  - Dale R. Setterholm
AU  - G. B. Morey
PY  - 1995
DO  - 10.3133/b1989h
UR  - https://pubs.usgs.gov/publication/b1989H
ID  - b1989H
ER  -