TY - BOOK T1 - Role of microfossils in interregional Pennsylvanian correlations. DA - 1947. CY - Urbana, AU - Cooper, Chalmer L. VL - no. 126 CN - QE729 CN - QE729 PP - Urbana, PY - 1947. N1 - "Reprinted from the Journal of geology, vol. LV, no. 3, May, 1947." ID - 19302 KW - Paleontology KW - Micropaleontology. TI - Role of microfossils in interregional Pennsylvanian correlations. ER -