V.M. Seiders
1981, IMAP 1314
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Publication Extents
Not all publications have extents, not all extents are completely accurateRobert E. Tucker, W. Roger Miller, J. M. Motooka
1981, Open-File Report 81-575
Tousson R. Toppozada, Charles R. Real, Stephen P. Bezore, David L. Parke
1981, Open-File Report 81-262
This is the second annual report of a three year project to clarify the earthquake history of California for the period before 1900. More than four thousand additional newspaper issues were searched for earthquake reports, bringing the total number of issues examined to more than eleven thousand. About one quarter...
Gary W. Hill, John L. Chinn
1981, Open-File Report 81-272
The purpose of this study was to characterize the modern sediments of sandy tidal flats in Willapa Bay, Washington based on their composition.Generally, clay comprises less than five percent of the sediment. Clay content increases upslope and up-estuary. Principal clay minerals are montmorillanite, illite, and chlorite; two clay mineral suites...
Don Price
1981, IMAP 1235-B
This is one of a series of maps that describes the geology and related natural resources of the Alton-Kolob coal-fields area, Utah. The purpose of this map is to show regional variations in ground-water quality as depicted by its dissolved-solids concentration. The map is based on chemical analyses of water...
Don Price
1981, IMAP 1374
This is one of a series of maps that describe the geology and related natural resources of the Richfield 2° Quadrangle, Utah. The purpose of this map is to show the general chemical quality of ground water by ranges of dissolved-solids concentrations. The water quality varies considerably with depth in...
A. R. Trippet, H. L. Berryhill Jr.
1981, IMAP 1287-F
No abstract available....
D.H. Richter, M. Shafiqullah, Viki A. Lawrence
1981, IMAP 1302
A. R. Trippet, H. L. Berryhill Jr.
1981, IMAP 1288-F
No abstract available....
Water Resources Division, U.S. Geological Survey
1981, IMAP 1324
Warren Lee Peterson
1981, Professional Paper 1151-C
This report discusses the Silurian rocks that crop out in Kentucky west of the axis of the Cincinnati arch. The Silurian System has a maximum thickness in this outcrop area of about 190 feet. It is in most places separated from the underlying Ordovician System by a minor erosional unconformity....
D. H. Scott, K. L. Tanaka
1981, IMAP 1279
D. H. Scott, G. G. Schaber
1981, IMAP 1270
D. H. Scott, K. L. Tanaka
1981, IMAP 1281
Jonathan Greenberg, P. E. Hart, Arthur Grantz
1981, IMAP 1182-A
Arthur G. Sylvester
1981, Open-File Report 81-230
The primary purpose of this investigation this past year was to establish and monitor a precise leveling array at Pinon Flat Geophysical Observatory to monitor tilt strain. The leveling array is one of several strain measurement techniques established at the observatory by several investigators for side-byside testing. Precise leveling is...
D. L. Leach, R.J. Goldfarb, J. A. Domenico
1981, Open-File Report 81-752
No abstract available....
J. M. Thompson, R. A. Hutchinson
1981, Open-File Report 81-1310
Janet Kay Thompson, Frederic H. Nichols, Sally M. Wienke
1981, Open-File Report 81-1134
Benthic microalgae biomass (chlorophyll a) data from San Francisco Bay are presented for the period February 1980 through February 1981. Benthic chlorophyll a was sampled throughout the bay (maximum of 54 stations) at bimonthly intervals and at monthly intervals at up to 14 stations in the southern bay. Ancillary data...
D. H. Scott, G. G. Schaber, A. L. Dial Jr.
1981, IMAP 1275
Gordon Whitney Weir, Michael Lane
1981, Open-File Report 81-558
No abstract available....
Water Resources Division, U.S. Geological Survey
1981, Open-File Report 81-6
O.E. Leppanen
1981, Open-File Report 81-1018
Estimates of evapotranspiration from an area of forage grass, which had been planted to replace native vegetation of little economic value, were made daily for a 363-day period in 1969 and 1970. The measurement site was located in the Gila River valley in east-central Arizona. The forage, panigrass (Panicum antidotale...
Don Price
1981, IMAP 1304-B
This map was compiled in conjunction with an energy-related geologic-mapping project on the Redmond Quadrangle (Witkind, 1980) in order to show the general availability and chemical quality of water in the area. The map is based chiefly on data collected by the U.S. Geological Survey under a continuing cooperative program...
Don Price
1981, IMAP 1245
This is one of a series of maps that describe the geology and related natural resources of the Tooele 2° quadrangle. The purpose of this map is to describe on a regional scale the availability and chemical quality of surface water and to guide readers to more detailed site-specific information...