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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) Contacts Daniel H Doctor Florence Bascom Geoscience Center U.S. Geological Survey U.S. Geological Survey - ScienceBase Scott A Minor More... Categories Data (1) Tag Types Place (2) Theme (2) USGS Scientific Topic Keyword (2) Harvest Set (2) Tag Schemes U.S. Board of Geographic Names (BGN) Geographic Names Information System (GNIS) (2) AGI Glossary of Geology (2) USGS Thesaurus (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

A geodatabase of Surficial Geology of the Allentown 30x60-Minute Quadrangle in Pennsylvania digitized from the original map of Braun, 1996 This Scientific Data Release is a spatial geodatabase representation of Braun, D. D., 1996, Surficial geology of the Allentown 30x60-minute quadrangle: Pennsylvania Geological Survey, 4th ser., Open-File Report 96–48, 17 p., 1 map, scale 1:100,000. These geospatial data depict surficial geologic materials in the Pennsylvania portion of the Allentown 30 x 60-minute quadrangle in eastern Pennsylvania.The map area shows the effects of at least three Pleistocene glacial advances. The report map is a compilation and revision of published and unpublished, 1:24,000-scale, detailed-reconnaissance maps. Types of surficial geologic units include 14 anthropogenic, 8 alluvial or wetland, 16 colluvial, and 12 Wisconsinan, Illinoian,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Allentown Quadrangle, Berks County, Bucks County, Carbon County, Economic Geology, All tags... Geomorphology, Glaciology, Illinoian Glaciation, Lehigh County, Luzerne County, Monroe County, Northampton County, Pennsylvania, Pre-Illinoian Glaciation, Schuylkill County, USA, USGS Science Data Catalog (SDC), United States, Wisconsinan Glaciation, economy, geology, surficial geologic units, Fewer tags Data release for Geologic Map of the Poncha Pass Area, Chaffee, Fremont, and Saguache Counties, Colorado This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A cartographic version of the geologic map, including map unit descriptions, interpretative text, and accessory figures and tables, is being separately published as a U.S. Geological Survey Scientific Investigations Map (SIM). The map area is irregular in shape, covering all of one 7.5' quadrangle (Poncha Pass) and parts of five others (Mount Ouray, Maysville, Salida West, Salida East, and Wellsville). The map boundaries were drawn to cover all of the "Poncha mountain block", coincident with the approximately 15-kilometer-long northwestern... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 40Ar/39Ar age, Arkansas River, Bear Creek, Bonanza Tuff, Bull Lake glaciation, All tags... Chaffee County, Cleveland Mountain, Clover Creek, Colorado, Conejos Formation, Droz Creek, Dry Union Formation, Fremont County, Geomorphology, Laramide orogeny, Little Cochetopa Creek, Mears Junction, Methodist Mountain, Mineral Resources, Mount Ouray, Murphys Hole, O’Haver Lake, Pinedale Glaciation, Poncha Creek, Poncha Mountain, Poncha Pass, Poncha Springs, Rio Grande rift, Round Hill, Saguache County, Salida, San Luis Creek, San Luis Valley, Sand Gulch, Sangre de Cristo Mountains, Sawatch Range, Silver Creek, Simmons Peak, South Arkansas River, Stratigraphy, Structural Geology, U-Pb age, USA, USGS Science Data Catalog (SDC), United States, Upper Arkansas Valley, Volcanology, basement rocks, basin-fill deposits, dike, fault slip, intrusive rocks, metamorphic rocks, mountain block, normal fault, oblique-slip fault, pre-Bull Lake glaciation, range-front fault, reverse fault, sedimentary rocks, sill, strike slip, surficial deposits, uplift, volcanic rocks, Fewer tags