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Page 4630, results 115726 - 115750

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General hydrogeology of the aquifers of Mesozoic age, Upper Colorado River Basin - excluding the San Juan Basin - Colorado, Utah, Wyoming, and Arizona
Geoffrey W. Freethey, Briant A. Kimball, Dale E. Wilberg, James W. Hood
1988, Hydrologic Atlas 698
The objective of the Upper Colorado Regional Aquifer Systems Analyses (RASA) project is to assess quantitatively the occurrence, movement, and availability of water stored in rock formations underlying the basin. This is one of a series of preliminary reports that describe what is currently known (1984) about the geometry and...
Hydrology of the Floral City Pool of Tsala Apopka Lake, west-central Florida
L. A. Bradner
1988, Water-Resources Investigations Report 88-4024
Tsala Apopka Lake, in west-central Florida, has an area of about 19,000 acres and is divided into three water-management pools, with the Floral City Pool, the most upgradient. The Floral City Pool, which has a surface area of approximately 4,750 acres, contains an extensive combination of lakes, wetlands, and connecting...
Benthic macrofauna and ancillary data for San Francisco Bay, California, March to November 1987
Laurence E. Schemel, Allan Y. Ota, J.G. Harmon, J. M. Shay, R.N. Adorado
1988, Open-File Report 88-192
Benthic macrofauna and ancillary data were collected during 1987 as part of the U.S. Geological Survey Regional Effects Monitoring Program in San Francisco Bay, California. Data were collected during five cruises at 2-month intervals from March through November. Benthic macrofauna for identification of species and sediment for size analysis were...
Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado
T.J. Armbrustmacher
1988, Professional Paper 1049-F
Thorium in potentially economic amounts occurs in three types of deposits in the Wet Mountains area of Colorado: (1) quartz-baritethorite veins and fracture zones, (2) carbonatite dikes, and (3) red syenite dikes. The quartz-barite-thorite veins and fracture zones contain the largest resources of thorium; they cut all Precambrian and Paleozoic...