A seismic refraction experiment performed in the Melones Reservoir region of the metamorphic belt, central California
James N. Murdock, John C. Roller
1978, Open-File Report 78-131
A seismic refraction experiment was conducted in the metamorphic belt of central California during May 1972. Seven charges were fired during the experiment. Three seismic refraction lines, 75 to 125 km long, were made in the belt. Also, data were gathered for regional travel-time calibrations. The experimental data are presented....
Effects of urban development on the flood-flow characteristics of the Walnut Creek Basin, Des Moines Metropolitan area, Iowa
Oscar G. Lara
1978, Water-Resources Investigations Report 78-11
This report deals with the probable impact of urban development on the magnitude and frequency of flooding in the lower reach of the Walnut creek Basin.Stream-modeling techniques, which include complete definition of unit hydroqraphs and precipitation loss-rate criteria, were utilized to evaluate the effects of urban development as measured by...
Documentation for alinement arrays, Motagua fault, Guatemala
R.C. Bucknam
1978, Open-File Report 78-880
The following brief report documents the locations and surveying data for four alinement arrays (fig. 1, p.-7-19) across the Motagua fault, Guatemala, which were installed to measure afterslip occurring along the fault. The arrays represent new monuments installed in areas where displacements had been measured as early as four days...
Water-level declines in the Madison area, Dane County, Wisconsin
R.S. McLeod
1978, Open-File Report 78-936
The water supply for the city of Madison, Wisconsin, and for surrounding municipalities is obtained from the ground-water reservoir that underlies the area. This ground-water reservoir is composed of an upper aquifer and an underlying sandstone aquifer. High-capacity water-supply wells pump from the sandstone aquifer. Pumping from the sandstone aquifer has...
Chemical analyses of surface water in Illinois, 1958–74—Volume III, Ohio River tributaries and Mississippi River tributaries south of the Illinois River basin
R. W. Healy, L.G. Toler
1978, Water-Resources Investigations Report 78-24
Samples of surface water were collected and analyzed by the Illinois Environmental Protection Agency and its predecessor, the Stream Pollution Control Bureau of the Illinois Department of Public Health. The results for the period 1958 to 1974 are presented in tabular form and the history of sampling and analytical methods...
A summary of niobium and rare earth localities from Ha'il and other areas in western Saudi Arabia: a preliminary study
John J. Matzko, Mohammed Ibne Naqvi
1978, Open-File Report 78-773
Investigations in 1965 located veins containing radioactive material in the Halaban Group on the east side of a granite pluton at Jabal Aja near Ha'il. Later study extended the known area of radioactivity to a total length of about 30 km. Mineralogic studies indicated that the samples were low in...
Hydrologic data for Mountain Creek, Trinity River basin, Texas, 1976
H.D. Buckner
1978, Open-File Report 77-800
The total drainage area of Mountain Creek, Texas, is 304 sq mi. The stream-gaging stations on Mountain Creek near Cedar Hill and Walnut Creek near Mansfield provide hydrologic data to define runoff characteristics from small drainage basins. They also serve as index stations for inflow into the reservoir and provide...
Effects of nutrients on algal growth in West Point Lake, Georgia
R.N. Cherry, B.W. Lium, W. Thomas Shoaf, J. K. Stamer, R.E. Faye
1978, Open-File Report 78-976
Geologic map of the Monument Peak Quadrangle, San Diego County, California
Victoria R. Todd
1978, Open-File Report 78-697
Hydrologic evaluation of part of central Volusia County, Florida
P. W. Bush
1978, Water-Resources Investigations Report 78-89
Municipal wells close to the Atlantic Coast cannot be expected to supply the steadily increasing population of Volusia County, Florida, indefinitely without causing saltwater intrusion problems. Therefore, new wells will be drilled away from the coast. The source of water for the planned artesian aquifer well field will be leakage...
Aqueous solubility of nitrogen at 290 degrees as a function of pressure
Leigh C. Price
1978, Open-File Report 78-1070
Ore deposits of the Gilman District, Eagle County, Colorado
T. S. Lovering, Ogden Tweto, T.G. Lovering
1978, Professional Paper 1017
The Gilman mining district, known also in the past as the Red Cliff district, is in the mountains of southeastern Eagle County, west-central Colorado. The district is the leading source of zinc in Colorado and one of the major base-metal mining districts in the State. As valued at the time...
Fission-track dating of apatite and zircon: an interlaboratory comparison
Charles W. Naeser, Gerald T. Cebula
1978, Open-File Report 78-108
Water quality in the Sugar Creek basin, Bloomington and Normal, Illinois
Byron J. Prugh Jr.
1978, Water-Resources Investigations Report 78-78
Sugar Creek, within the twin cities of Bloomington and Normal, Illinois, has differences in water quantity and quality as a result of urban runoff and overflows from combined sewers.Water-quality data from five primary and eight secondary locations showed three basic types of responses to climatic and hydrologic stresses. Stream temperatures...
Directory of local assistance centers of the National Water Data Exchange (NAWDEX)
Melvin D. Edwards
1978, Open-File Report 78-162
The National Water Data Exchange (NAWDEX), managed by the U.S. Geological Survey, has established a network of Local Assistance Centers throughout the United States and Puerto Rico to assist users of water data in identifying and locating the data they need. This up-dated Directory provides the information needed to contact...
Recent and projected changes in Dead Sea level and effects on mineral production from the sea
Stanley P. Sauer
1978, Open-File Report 78-176
Hydrologic data for the Dead Sea area were reviewed to assess the probable magnitude and rate of change of the water level of the Dead Sea. Historical average annual Dead Sea levels range from a minimum of 399.4 meters below sea level in about 1818 to a maximum of 388.6...
Fission-track dating of the Climax and Gold Meadows stocks, Nye County, Nevada
Charles W. Naeser, Florian Maldonado
1978, Open-File Report 78-419
Fission-track ages indicate an age of 101 m.y. for the Climax stock and a minimum age of 93.6 m.y. for the Gold Meadows stock, both at the Nevada Test Site, Nye County, Nevada. Younger fission-track ages for apatite concentrates suggest that the stocks have been within 4 km of the...
The Potential for Prophyry Copper-Molybdenum Deposits in the Eastern United States
Robert Gordon Schmidt
1978, Professional Paper 907-E
Several significant porphyry-type deposits of Paleozoic age are known in New England and eastern Canada. Disseminated copper-molybdenum deposits of Paleozoic age are in the Southeastern United States, and copper is produced from porphyry-type deposits of both Precambrian and Paleozoic age in eastern Canada. Although these old deposits are surely less...
Proceedings of Conference V: communicating earthquake hazard reduction information: convened under auspices of National Earthquake Hazards Reduction Program 22-24 May, 1978
Walter W. Hays
1978, Open-File Report 78-933
Under the Earthquake Hazard Reduction Act of 1977, the federal government is significantly increasing its effort "to reduce the risk of life and property from future earthquakes in the United States through the establishment and maintenance of an effective earthquake hazards reduction program". This prgoram is sponsored primarily by the...
Geologic map of the central far side of the Moon
D.E. Stuart-Alexander
1978, IMAP 1047
This map is one of a series of geologic maps that will cover the entire Moon at a scale of 1:5,000,000. The geology of the central far side is compiled largely from NASA Lunar Orbiter...
Geologic map of the Olympic Peninsula, Washington
R. W. Tabor, W. M. Cady
1978, IMAP 994
Proceedings of Conference VI: Methodology for identifying seismic gaps and soon-to-break gaps: Convened under auspicies of National Earthquake Hazards Reduction Program, 25-27 May, 1978
Bryan L. Isacks, George Plafker
1978, Open-File Report 78-943
The fifth conference in the continuing series under the Earthquake Hazard Reduction Program was held at Massachusetts Institute of Technology on May 25- 27, 1978. Its theme was "Methodology for Defining Seismic Gaps and Soon-to-Break Seismic Gaps." One of the proposed strategies for acquiring critical data on earthquake prediction is...
Summary of the estimated iron resources of the Marquette and Gogebic Iron Ranges of Michigan
William F. Cannon
1978, Open-File Report 78-153
The U. S. Geological Survey in cooperation with the Geological Survey Division of the Michigan Department of Natural Resources has recently completed detailed studies of iron-bearing rocks in the Marquette and Gogebic iron ranges in the northern peninsula of Michigan. The study included mapping the surface distribution of the iron-bearing...
Proceedings of Conference III: fault mechanics and its relation to earthquake prediction, convened under the auspices of National Earthquake Hazards Reduction Program, 1-3 December, 1977
Water Resources Division, U.S. Geological Survey
1978, Open-File Report 78-380
On 1 - 3 December 1977, a Conference on "Fault Mechanics and Its Relation to Earthquake Prediction" was held at Stanford University, Stanford, California. This Conference was the third in a continuing series of Conferences to be held under the auspices of the Earthquake Hazards Reduction Program. These Conferences and publication of their proceedings are...
Mineral resources of the Charles Sheldon wilderness study area, Humboldt and Washoe Counties, Nevada, and Lake and Harney Counties, Oregon
John B. Cathrall, R. C. Greene, Donald Plouff, D. F. Siems, G. L. Crenshaw, E.F. Cooley, E.T. Techek, F.J. Johnson, M. D. Conyac
1978, Open-File Report 78-1002
A mineral survey of the Charles Sheldon wilderness study area, located in Humboldt and Washoe Counties, Nevada, and Lake and Harney Counties, Oregon was conducted in 1974 and 1975 (fig. 1A, 1B, 1C). The mineral resource potential was evaluated by geological, geochemical, and geophysical studies by the U.S. Geological Survey,...
