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Page 4318, results 107926 - 107950

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Potentiometric surface of the upper Floridan aquifer in Florida and in parts of Georgia, South Carolina, and Alabama, May 1985
Peter W. Bush, G. Lynn Barr, John S. Clarke, Richard H. Johnston
1987, Water-Resources Investigations Report 86-4316
A map, constructed as a part of the Floridan Regional Aquifer-System Analysis (RASA), shows the potentiometric surface of the Upper Floridan aquifer for May 1985. It is based on measurements of water level or artesian pressure made in about 2 ,500 wells during the period May 13 to 24, 1985....
Preliminary report, cruises L1-86-NC and L2-86-NC, Escanaba Trough, Gorda Ridge
J. L. Morton, W. R. Normark, Stephanie L. Ross, R.A. Koski, M.L. Holmes, Wayne C. Shanks III, R.A. Zierenberg, M.W. Lyle, L.M. Benninger
1987, Open-File Report 87-375-A
Eight large (up to 200 m across) and many small massive sulfide deposits were photographed and sampled at the sediment-covered Escanaba Trough, southern Gorda Ridge, during S.P. Lee cruises L1-86-NC and L2-86-NC in 1986. The deposits are associated with two volcanic edifices within the sedimentary fill along the axis of...
Flood characteristics of the Buffalo River at Tyler Bend, Arkansas
Braxtel L. Neely
1987, Water-Resources Investigations Report 87-4180
The Buffalo River is located in the Ozark Mountains in north-central Arkansas. Tyler Bend is on the Buffalo River about 1.5 miles upstream from U.S. Highway 65. The National Park Service is developing several recreational park sites along this scenic river. The magnitude, frequency, duration and velocities of floods are...
The geologic history of the Moon
Don E. Wilhelms, John F. McCauley, Newell J. Trask
1987, Professional Paper 1348
More than two decades of study have established the major features of lunar geologic style and history. The most numerous and significant landforms belong to a size-morphology series of simple craters, complex craters, and ringed basins that were formed by impacts. Each crater and basin is the source of primary...
Petrology and sedimentology of the Horlick Formation (Lower Devonian), Ohio Range, Transantarctic Mountains
Lucy McCartan, Margaret A. Bradshaw
1987, Bulletin 1780
The Horlick Formation of Early Devonian age is as thick as 50 m and consists of subhorizontal, interbedded subarkosic sandstone and chloritic shale and mudstone. The Horlick overlies an erosion surface cut into Ordovician granitic rocks and is, in turn, overlain by Carboniferous and Permian glacial and periglacial deposits. Textures,...