TY  - RPRT
TI  - Abstracts of the U.S. Geological Survey, Central Region, 1990 Poster Review
AU  - C. E. Barker
AU  - A. B. Coury
PY  - 1990
DO  - 10.3133/ofr90656
UR  - https://pubs.usgs.gov/publication/ofr90656
ID  - ofr90656
ER  -