From the National Geologic Map Database site: "Geology of the Cloverport quadrangle, Kentucky-Indiana and the Kentucky part of the Cannelton quadrangle"
A geochemical context for stray gas investigations in the northern Appalachian Basin: Implications of analyses of natural gases
from Neogene-through Devonian-age strata
As the...
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...
The Middle Devonian Marcellus Shale is one of the premier gas shale plays of North America in terms of total gas resource, extent, production rates, and economic potential. The...
From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...
State-owned and maintained public roads within Pennsylvania as extracted from the PENNDOT Roadway Management System (RMS). Includes fields describing pavement type, traffic...
A detailed, field verified inventory of the kinds and distribution of soils on the landscape. This data set is generally the most detailed level of soil geographic data prepared...