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Page 5118, results 127926 - 127950

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Not all publications have extents, not all extents are completely accurate
Water-resources investigations of the U.S. Geological Survey in Colorado; fiscal year 1979
1979, Open-File Report 79-402
Water-resources investigations of the U.S. Geological Survey in Colorado consist of collecting water-resources data and conducting interpretive hydrologic investigations. The water-resources data and the results of the investigations are published or released by either the U.S. Geological Survey or by cooperating agen-cies. This report describes the water-resources investigations in Colorado...
Trace element analysis of marine organisms by anodic stripping voltammetry (ASV)
Gary W. Hill
1979, Open-File Report 79-392
Trace element analysis of marine organisms has generally been conducted by (1) sophisticated instrumentation (e. g., atomic absorption), (2) complicated cookbook laboratory procedures utilizing a host of chemicals and glassware, or (3) a combination of the above. All these procudures present problems to the investigator. For example, analysis by methods...
Progress report to the Arkansas State Highway and Transportation Commission for year ending September 30, 1978
Marion S. Hines
1979, Open-File Report 79-523
The economic design of bridges and culverts requires a knowledge of the magnitude and frequency of floods for all size drainage basins. In addition, an analysis of the hydrologic and hydraulic characteristics at specific sites where unusual circumstances exist is a prerequisite to design.The Arkansas State Highway and Transportation Commission...
Goal-seismic computer programs in BASIC: Part I; Store, plot, and edit array data
Wilfred P. Hasbrouck
1979, Open-File Report 79-242
Processing of geophysical data taken with the U.S. Geological Survey's coal-seismic system is done with a desk-top, stand-alone computer. Programs for this computer are written in an extended BASIC language specially augmented for acceptance by the Tektronix 4051 Graphic System. This report presents five computer programs used to store, plot,...
Preliminary geology of the Blacktail Mountain drilling site, Flathead County, Montana
Jack Edward Harrison, Mitchell W. Reynolds
1979, Open-File Report 79-938
Five argillitic green beds that alternate with six argillitic purple beds in the upper part of the Spokane Formation of the Belt Supergroup of Proterozoic Y age were sampled by 22 shallow core holes. The holes were drilled on a hexagonal pattern over an area about 50 m wide and...
Hydrologic data for urban studies in the Dallas, Texas, metropolitan area, 1977
B.B. Hampton, C.M. Wood
1979, Open-File Report 79-562
In August 1961, the Geological Survey, in cooperation with the city of Dallas, began a program of investigations designed to evaluate hydrologic factors affecting floods on several small streams in Dallas. During the 1977 water year, the original program was expanded to include the greater Dallas metropolitan area....
Analyses of surficial deposits, central Brooks Range, Alaska
Thomas D. Hamilton, James H. Trexler, James McCalpin
1979, Open-File Report 79-228
Seventy-nine sediment samples from the central Brooks Range were analyzed for grain-size distribution, shape and composition of grains, and other physical properties. Four statistical measures (sorting, mean diameter, skewness, and kurtosis) were then computed for the sand-to-clay size fraction of all samples.Fan sediments resemble the other alluvial-gravel deposits in consisting...
Ground-water data for Michigan, 1977
G.C. Huffman
1979, Open-File Report 79-332
The purpose of this report is to make available the 1977 records of water levels and related data for the principal aquifers of the State. These records and data provide a means for evaluating available ground-water supplies. Long- term records serve as a framework to which short-term records may be...
Program objectives for the National Water Data Exchange (NAWDEX) for fiscal year 1980
Melvin D. Edwards
1979, Open-File Report 80-11
This report describes the proposed program objectives of the National Water Data Exchange (NAWDEX) for fiscal year 1980. These include NAWDEX program administration, NAWDEX services, water-data indexing activities, systems development, training, and the development of recommended methods for the handling and exchange of water data. ...
Major and trace element data with partition coefficients for lava flows from the San Francisco volcanic field
Karen J. Wenrich-Verbeek
1979, Open-File Report 79-998
Major and trace element data from San Francisco Mountain (a stratovolcano), as well as major element data from representative flows of the surrounding volcanic field (figure 1), are presented in this report. Also included are conventional and normalized partition coefficients for trace elements in each of the coexisting mineral phases...
Phosphatic Permian rocks of the Adobe Range, Nevada, and their environment of deposition
Keith Brindley Ketner
1979, Open-File Report 79-239
Permian sedimentary rocks in the Adobe range, northern Nevada, are phosphatic, and although the particles of phosphate are relatively more disseminated, they closely resemble the rocks of the Phosphoria Formation. In the northern Adobe Range, where the entire Permian sequence is approximately correlative with the Phosphoria Formation, it is 200...
Hydrologic data for North Creek, Trinity River basin, Texas, 1977
C.C. Kidwell
1979, Open-File Report 79-335
The U.S. Soil Conservation Service is actively engaged in the installation of flood- and soil-erosion reducing structures in Texas under the authority of "The Flood Control Act of 1936 and 1944" and "Watershed Protection and Flood Prevention Act" (Public Law 566), as amended. The Soil Conservation Service has found that...
Drainage areas of streams in Arkansas, Ouachita River basin
John J. Yanchosek, Marion S. Hines
1979, Open-File Report 80-334
Drainage areas, determined in accordance with procedure recommended by the Subcommittee on Hydrology of the Federal Inter-Agency River Basin Committee, are listed for points on streams in the Ouachita River basin in Arkansas. Points on the streams are identified by some topographic feature and by latitude and longitude....
Seminar on water quality in the tidal Potomac River
1979, Open-File Report 79-1588
In the interest of maintaining communication between researchers and managers concerned with the tidal Potomac River, the U.S. Geological Survey sponsored a Seminar on the Water Quality of the Tidal Potomac River. The Seminar was held on December 6 and 7, 1978, at the U.S. Geological Survey National Headquarters in...
Geologic description of selected strong-motion accelerograph sites, Part II
B.L. Silverstein
1979, Open-File Report 79-428
One of the major tasks of the U.S. Geological Survey as regards seismic engineering is the collection and dissemination of strong-motion accelerograph records. When analyzing these records certain information describing the instrument site is important: local geology; instrument housing (buildings, dams, bridges, instrument shelters, etc.); local topography; and proximity of...
Status of the National Water Data Exchange (NAWDEX); September 1978
Melvin D. Edwards
1979, Open-File Report 79-330
This report describes the activities of the National Water Data Exchange (NAWDEX) during Fiscal Year 1978, October 1, 1977 through September 30, 1978. Discussions include program administration, NAWDEX services, identification of sources of water data, indexing of available water data, development of systems to be used with the NAWDEX data...