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Page 5778, results 144426 - 144450

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Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1 degree x 2 degrees quadrangle, Missouri: Drill hole no. 7
J.G. Viets, E. L. Mosier, S.K. McDanal, D. F. Siems
1978, Open-File Report 78-470-I
Geochemical studies of the Rolla, Mo., 1° x 2° quadrangle were begun in 1977 as part of a joint multidisciplinary study of the quadrangle by the U.S. Geological Survey and the Division of Geology and Land Survey, Missouri Department of Natural Resources. The study is to access the mineral resource...
Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1 degree x 2 degrees quadrangle, Missouri: Drill hole no. 3
E. L. Mosier, J.G. Viets, S.K. McDanal
1978, Open-File Report 78-470-G
Geochemical studies of the Rolla, Mo., 1° x 2° quadrangle were begun in 1977 as part of a joint multidisciplinary study of the quadrangle by the U.S. Geological Survey and the Division of Geology and Land Survey, Missouri Department of Natural Resources. The study is to access the mineral resource...
Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1 degree x 2 degrees quadrangle, Missouri: Drill hole no. 13
J.G. Viets, E. L. Mosier, S.K. McDanal
1978, Open-File Report 78-470-M
Geochemical studies of the Rolla, Mo., 1° x 2° quadrangle were begun in 1977 as part of a joint multidisciplinary study of the quadrangle by the U.S. Geological Survey and the Division of Geology and Land Survey, Missouri Department of Natural Resources. The study is to access the mineral resource...
Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1 degree x 2 degrees quadrangle, Missouri: Drill hole no. 9
E. L. Mosier, J.G. Viets, D. F. Siems, S.K. McDanal
1978, Open-File Report 78-470-E
Geochemical studies of the Rolla, Mo., 10° x 2° quadrangle were begun in 1977 as a part of a joint multidisciplinary study of the quadrangle by the U.S. Geological Survey and the Division of Geology and Land Survey, Missouri Department of Natural Resources. The study is to access the mineral...
Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1 degree x 2 degrees quadrangle, Missouri: Drill hole no. 17
J.G. Viets, E. L. Mosier, S.K. McDanal
1978, Open-File Report 78-470-P
Geochemical studies of the Rolla, Mo., 1° x 2° quadrangle were begun in 1977 as part of a joint multidisciplinary study of the quadrangle by the U.S. Geological Survey and the Division of Geology and Land Survey, Missouri Department of Natural Resources. The study is to access the mineral resource...
An analysis of stream temperatures, Green River Basin, Wyoming
H. W. Lowham
1978, Water-Resources Investigations Report 78-13
A method for estimating temperatures of streams in the Green River basin, Wyoming, utilizes a regional model for estimating mean daily temperatures of streams at unmeasured sites. The regional model was developed by describing annual temperature patterns at 43 measured sites and by applying the harmonic function T = M...
Water-quality indices for specific water uses
J.D. Stoner
1978, Circular 770
Water-quality indices were developed to assess waters for two specific uses--public water supply and irrigation. The assessment for a spcific water use is based on the availability f (of (1) a set of limits for each water quality property selected, (2) a rationale for selection, and (3) information that permits...
Flood profiles for Peace River, south-central Florida
W. R. Murphy Jr., K.M. Hammett, C. V. Reeter
1978, Water-Resources Investigations Report 78-57
This report presents flood heights and profiles for a 70-mile reach of Peace River from Bartow to Arcadia, Fla. The flood heights were calculated using the U.S. Geological Survey step-backwater model. Profiles were prepared for floods having expected recurrence intervals of 2, 2.33, 5, 10, 25, 50, 100, 200, and...
Flood profiles for Cypress Creek, west-central Florida
W. R. Murphy Jr.
1978, Water-Resources Investigations Report 78-8
Flood profiles are included for selected recurrence-interval floods in west-central Florida for a 27-mile reach of Cypress Creek, for a 4-mile tributary reach, and for a 1.2-mile distributary reach. The procedure for constructing flood profiles is based on flood heights computed in a step-backwater analysis using the following data: 2-,...
Appraisal of shallow ground-water resources and management alternatives in the Upper Peace and Eastern Alafia River Basins, Florida
C. B. Hutchinson
1978, Water-Resources Investigations Report 77-124
In southwest Florida, the shallow aquifer system underlying the 1,250-square-mile upper Peace and eastern Alafia River basins is a relatively untapped source of supply. The aquifer system ranges between 50 and 300 feet thick and is composed of a surficial sand unit underlain by a limestone unit. Sand and clay...
Guidelines for the use of structural versus regression analysis in geomorphic studies
W. R. Osterkamp, Jesse M. McNellis, Paul Robert Jordan
1978, Water-Resources Investigations Report 78-135
Simple-regression and structural analysis are similar methods of developing a linear relation from a bivariant group of data. Regression analysis is a useful curve-fitting technique, but often is misapplied to geomorphic data sets. When error components can be identified for both variables, the statistical technique of structural analysis is preferred....
Application of hydraulic and hydrologic data in urban stormwater management
Thomas L. Huntzinger
1978, Open-File Report 78-414
Techniques are described for using flood-insurance study information from the Federal Insurance Administration to analyze flood plain management alternatives. A method of developing rating curves which relate flood discharge to flood elevation is explained. Graphical methods of determining urban flood discharges are used in conjunction with rating curves to develop...
Ages of flow units in the far eastern lunar maria based on crater density
Joseph M. Boyce
1978, Open-File Report 78-879
The distribution of major geologic units of uniform relative age exposed in the far eastern maria (i.e., Mare Marginis, Mare Smythii, and Mare Crisium) and Mare Humorum was compiled in map form on the basis of a crater density mapping technique. Correlation of crater densities and radiometric ages of Apollo...
Ground-water conditions in the Eureka area, Humboldt County, California, 1975
Michael J. Johnson
1978, Water-Resources Investigations Report 78-127
Ground-water conditions in the Eureka area, Calif., were evaluated during 1975 to determine whether significant changes had occurred since 1952, when an earlier reconnaissance was made. No major changes in water levels or water quality were noted at 1975 pumping rates. Recharge to the ground-water system compensates for both artificial...
Technique for estimating magnitude and frequency of floods in Virginia
Earley M. Miller
1978, Water-Resources Investigations Report 78-5
A technique is presented for estimating the magnitude and frequency of floods in Virginia. For 299 gaged sites, the magnitudes of floods having recurrence intervals of 2 to 100 years are provided in tables. For ungaged sites, regression relations are presented that allow the estimation of flood magnitudes based on...