TY  - RPRT
TI  - Geologic map of the Friedheim Quadrangle, Cape Girardeau, Bollinger, and Perry counties, Missouri
AU  - D.H. Amos
PY  - 1987
DO  - 10.3133/mf1905
UR  - https://pubs.usgs.gov/publication/mf1905
ID  - mf1905
ER  -