TY  - RPRT
TI  - Lithologic cross sections of phanerozoic rocks in the northern Midcontinent, U.S.A.
AU  - D. N. Mugel
AU  - W. P. Pratt
PY  - 1991
DO  - 10.3133/mf1835g
UR  - https://pubs.usgs.gov/publication/mf1835G
ID  - mf1835G
ER  -