TY - BOOK TI - Fieldiana Geology memoirs VL - v.4 (1963) UR - https://www.biodiversitylibrary.org/item/30786 PB - Chicago Natural History Museum CY - [Chicago] PY - 1963 SN - 0096-0438 AU - Chicago Natural History Museum. AU - Field Museum of Natural History. KW - Geology KW - Paleontology ER -