TY - RPRT TI - Abstracts of the U.S. Geological Survey, Central Region, 1992 poster review AU - C. E. Barker AU - A. B. Coury PY - 1992 DO - 10.3133/ofr92391 UR - https://pubs.usgs.gov/publication/ofr92391 ID - ofr92391 ER -