1. Palynological studies of Middle Pennsylvanian coal beds of the proposed Pennsylvania System stratotype in West Virginia Author/Creator: Kosanke, Robert M. (Robert Max) Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
2. Palynological studies of lower Pennsylvanian coal beds and adjacent strata of the proposed Pennsylvanian system stratotype in Virginia and West Virginia : a report on the occurrence of lower Pennsylvanian palynomorphs and their thermal alteration Author/Creator: Kosanke, Robert M. (Robert Max) Publication/Creation: Washington : U.S. G.P.O., 1988 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1478-1481. Access & Availability: Loading
3. Palynology of selected coal beds in the proposed Pennsylvanian System stratotype in West Virginia Author/Creator: Kosanke, Robert M. (Robert Max) Publication/Creation: Alexandria, VA : For sale by the Branch of Distribution, U.S. Geological Survey Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1314-1319. Access & Availability: Loading
4. Palynological studies of the coals of the Princess reserve district in northeastern Kentucky, Author/Creator: Kosanke, Robert M. (Robert Max) Publication/Creation: Washington : U.S. Govt. Print. Off, 1973 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no.832-839. Access & Availability: Loading