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Page 5705, results 142601 - 142625

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Aeromagnetic map and associated depth map of the Upper Mississippi Embayment region
T.G. Hildenbrand, R.P. Kucks, M. F. Kane, J. D. Hendricks
1979, Miscellaneous Field Studies Map 1158
The purpose of these maps is to present recently compiled aeromagnetic data and associated depth estimates to magnetic basement in the upper Mississippi embayment region.  This area is one of the most seismically active regions in the eastern United States.  In 1974, the U.S. Geological Survey initiated magnetic surveys to...
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...
Notes on the acquisition of high resolution seismic reflection profiles, side-scanning sonar records, and sediment samples from lower Cook Inlet and Kodiak Shelf, R/V Sea Sounder Cruise S8-78-WG, August 1978
Monty A. Hampton, Arnold H. Bouma
1979, Open-File Report 79-1311
The third U.S. Geological Survey geo-environmental cruise in lower Cook Inlet and on the Kodiak shelf and adjacent continental slope, Gulf of Alaska, was conducted aboard the R/V SEA SOUNDER from 2 August to 22 August, 1978 (Fig. 1, 2, and 3). The objectives of the cruise were to study...
Water resources of the St. Louis River watershed, northeastern Minnesota
Gerald F. Lindholm, D.W. Ericson, W.L. Broussard, M. F. Hult
1979, Hydrologic Atlas 586
The St. Louis River is the largest tributary to Lake Superior in Minnesota. It drains a predominantly forested area of about 3,650 mi2 (Minnesota Department of Conservation, 1959) and discharges into the lake at Duluth. The Mesabi Iron Range, noted for rich deposits of iron ore, parallels much of the northern...