Earth Sciences History: Journal of the History of the Earth Sciences Society, Volumes 1-4

Academy American Ampferer Bascom Beaver Township beds century Chamberlin Charles chemistry Cincinnati collection College concept continental drift continents Cordier Crawford County Cretaceous Darwin deposits drift early Earth Sciences earthquakes exploration field Figure Florence Bascom formation fossils Geol Geological Society geologists geophysical George glacial Hall Hayden Henry Hilgard History of Geology Houghton Hutton Huttonian included interest James John Journal Kansas later lectures London Lyell Marsh mineral mineralogy mountain Mudge Museum Natural History North notes Ohio Ordovician origin paleontology Paleozoic paper peneplain Pennsylvania Perry Piedmont plate tectonics Professor publication published region Rensselaer Report River rocks Safford sand sandstone schist scientific scientists Silurian Society of America Sorby South species specimens strata stratigraphic tectonics Tennessee theory tion U.S. Geological Survey Univer University USGS vertebrate volcanic Walcott Wegener western Crawford County Wheeler Wheeler survey Whiston William Williston Wissahickon Yochelson York