As we near the end of 2024, we wanted to share some new lidar images of our state with you! These images cover the full geographic extent of Washington–from the coast to the Cascades and from the Channeled Scablands to the mountains and canyons of eastern Washington. Scroll down to read...
“Reconnaissance of Oil and Gas Fields in Wayne and McCreary Counties, Kentucky,”“Oil and Gas in the Western Part of the Olympic Peninsula, Washington,”“The Ore Deposits of North-Eastern Washington,”“Mining Districts of the Dillon Quadrangle, Montana,”“Electric Activity in Ore Deposits....
INTRODUCTIONNewport Township has an area of 36 square miles and lies within the Appa- lachian plateau physiographic province in the eastern part of Washington County, Ohio. The township borders the Ohio River, and lies just a few miles upstream from the city of Marietta, (see Geologic Map, ...
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Mountain, some 60 miles away, so we know that the river carrying the gravel had to drain the Hunter Mountain area. In eastern Oregon, the Goose Rock Conglomerate, which is some 100 million years old, contains cobbles that were derived from a granite source in Idaho some 100 miles to the...
history. The Rio Grande Rift is a great tear in the Earth's crust where the Colorado Plateau has pulled away from the interior of the continent. Here the eastern margin of the Colorado Plateau has been thrust upwards, has been deeply eroded, and its geologic record has been exposed to ...
Figure 5. Magnetic anomaly map showing a broad blank magnetic zone offshore British Columbia (modified from Currie et al., 1983). The southern and eastern edges of the Tofino Basin are not sharply defined; to the south lie other offshore continental- margin basins along the U.S. coas...
Structural Geology and Metamorphic Petrology of the Fries Thrust Sheet, Blue Ridge Thrust Complex, Western NC and Eastern TN The Blue Ridge thrust complex of western NC is a stack of thrust sheets consisting of Grenville basement rocks that were subjected to multiple Paleozoic orogenic events. ...
Gray, Richard E., and Brunn, Robert W., “Coal Mine Subsidence-Eastern United States,”Reviews in Engineering Geology VI, Geological Society of America, 1984. Google Scholar Butler, D. K., and Murphy, W. L., “Evaluation of Geophysical Methods for Cavity Detection at the WES Cavity Test...
Streamflow, base flow, and ground-water recharge in the Housatonic River basin, western Massachusetts and parts of eastern New York and northwestern Connecticut Streamflows for selected flow durations from 1 to 99 percent and the August median streamflows were estimated for 11 long-term streamflow-...