National Audubon Society Field Guide to Rocks and MineralsCharles Wesley ChestermanWyprzedane4,3Obserwuj
McGraw-Hill Series in Water Resources and Environmental Engineering: Groundwater HydrologyHerman BouwerWyprzedane4,5Obserwuj
... the Stratigraphic Relations and Paleontology of the "Hell Creek Beds", "Ceratops Beds" and Equivalents: And Their Reference to the Fortunion FormaFrank Hall KnowltonWyprzedaneObserwuj
