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Page 5583, results 139551 - 139575

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Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (additions to gastropods, scaphopods, pelecypods Nuculidae to Malleidae)
W. P. Woodring
1973, Professional Paper 306-E
Chapter E adds 112 described species and subspecies (a few briefly described) to the some 440 covered in preceding chapters : 27 additional gastropods, 18 scaphopods, and 67 pelecypods in 10 families. It is estimated that about 125 species are to be added in chapter F, the final chapter.The Arcidae...
Geologic map of the Phosphate Reserve in the Lander area, Fremont County, Wyoming
Willis L. Rohrer
1973, Miscellaneous Field Studies Map 305
The area was mapped as part of the U.S. Geological Survey program of classifying and evaluating lands in the public domain. Resources of economic interest in the map area include oil, gas, water, phosphate rock, gypsum, and analcime. The area mapped includes the rocks between the Tensleep Sandstone and the...
Preliminary investigation of land subsidence in the Sacramento Valley, California
B. E. Lofgren, R. L. Ireland
1973, Open-File Report 74-1064
Although a number of agencies have made leveling surveys in Sacramento Valley and a valleywide network of first- and second-order control exists, few areas have sufficient control for determining whether land subsidence has occurred and if so, how much, within the time span of vertical control. Available data suggest that...
Water resources data for Texas, water year 1972; Part 2. Water quality records
Water Resources Division, U.S. Geological Survey
1973, Water Data Report TX-72-2
Water resources data for the 1972 water year for Texas include records of data for the chemical and physical characteristics of surface water. The records were collected by the Water Resources Division of the U.S. Geological Survey under the direction of I.D. Yost, district chief. These data represent that portion...
Water resources data for West Virginia, water year 1972
Water Resources Division, U.S. Geological Survey
1973, Water Data Report WV-72-1
Water resources data for the 1972 water year for West Virginia including records of streamflow or reservoir storage at gaging stations, partial-record stations, and miscellaneous sites, and records of water-quality data on the chemical and physical characteristics of surface water, are given in this report. In Part 1, records are...