Proceedings

Acad America Bull Annual Meeting Appalachian Arthur Association Basin Bibliography California Carolina Central Chairman Charles Coal Cochairmen Colorado Committee Conodont Council Councilor County Cretaceous David deposits Devonian district Division Donald Econ Edward Engineering Geology Fault Fellows field trips Foraminifera Formation Fund Geochemistry Géol Geological Society Geological Survey Geomorphology Geophysical George grant ground-water houiller Hydrogeology Idaho Indiana James John Kirk Bryan Award Medal membership Metamorphic Mexico mineral Mineralogy Mining Jour Montana Mountains Nevada North Ordovician Paleontology Paleozoic papers Paul Pennsylvania Penrose Penrose Medal Petroleum Geologists Bull Petrology Pleistocene Precambrian President Proc publication region Richard Robert Robert E rocks Science Secretary Section sediments Silurian Society of America South Southeastern Southern Spurr Stratigraphy Structural Geology structure Survey Bull Symposium Technical Session Tectonic Tertiary Texas Thomas U.S. Geol U.S. Geological Survey University Utah Virginia volcanic Washington William Wyoming York