TY  - RPRT
TI  - Abstracts of the U.S. Geological Survey, central region, 1987 poster review
AU  - C. E. Barker
AU  - A.C. Coury
PY  - 1987
DO  - 10.3133/ofr87608
UR  - https://pubs.usgs.gov/publication/ofr87608
ID  - ofr87608
ER  -