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Page 4857, results 121401 - 121425

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Gold placer and Quaternary stratigraphy of the Jabal Mokhyat area, southern Najd Province, Kingdom of Saudi Arabia
D. L. Schmidt, W.P. Puffett, W. L. Campbell, Z. H. Al-Koulak
1981, Open-File Report 82-414
An ancient gold placer at Jabal Mokhyat (lat 20?12.2'N., long 43?28'E.), about 90 km east of Qalat Bishah in the southern Najd Province, Kingdom of Saudi Arabia, was studied in 1973. Seven hundred and twenty-eight samples in 25 measured sections were collected along trenches and pits 2.5 m in depth...
Geology and potential hazards of the continental slope between Lindenkohl and South Toms Canyons, offshore mid-Atlantic United States
James M. Robb, John C. Hampson Jr., John R. Kirby, David C. Twichell
1981, Open-File Report 81-600
Because sediment instability, or slumping, has been identified as a potential hazard to petroleum development of the east-coast Continental Slope, the U.S. Geological Survey, in cooperation with the U.S. Bureau of Land Management, began a detailed study of a segment of the Continental Slope between Lindenkohl and South Toms Canyons...
Landslides from the February 4, 1976, Guatemala earthquake
Edwin L. Harp, Raymond C. Wilson, Gerald F. Wieczorek
1981, Professional Paper 1204-A
The M (Richter magnitude) = 7.5 Guatemala earthquake of February 4, 1976, generated more than 10,000 landslides throughout an area of approximately 16,000 km2. These landslides caused hundreds of fatalities as well as extensive property damage. Landslides disrupted both highways and the railroad system and thus severely hindered early rescue...