TY - RPRT TI - Paleobiotic and isotopic analysis of mollusks, fish and plants from core OL-92: Indicators for an open or closed lake system AU - James R. Firby AU - Saxon E. Sharpe AU - Joseph F. Whelan AU - Gerald R. Smith AU - W. Geoffrey Spaulding PY - 1997 DO - 10.1130/0-8137-2317-5.121 UR - https://pubs.usgs.gov/publication/70231431 ID - 70231431 ER -