[078-01] Unifying the Nomenclature in the Pennsylvanian Systems of the Illinois Basin
R.J. Jacobson, C.B. Trask, C.H. Ault, D.D. Carr, H.H. Cray, W.A. Hasenmeuller, D. Williams, and A.D. Williamson Unifying the Nomenclature in the Pennsylvanian Systems of the Illinois Basin 078-01-print
[082-25] Subspecific Composition of the Illinois Canada Goose Harvest
T.C. Tacha, D.D. Thornburg, and R.A. Williamson Subspecific Composition of the Illinois Canada Goose Harvest 082-25-print