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Page 5506, results 137626 - 137650

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Water resources of the Root River watershed, southeastern Minnesota
W.L. Broussard, D.F. Farrell, H. W. Anderson Jr., P.E. Felsheim
1975, Hydrologic Atlas 548
This Hydrologic Atlas is one of a series describing the 39 watersheds in Minnesota. The Root River watershed includes Houston, Winona, and parts of the surrounding counties. The 2 ,570 square miles in the watershed varies from gently rolling prairie in the west to an area of plateaus separated by...
Water resources of the Cedar River watershed, southeastern Minnesota
D.F. Farrell, W.L. Broussard, H. W. Anderson Jr., M. F. Hult
1975, Hydrologic Atlas 552
The Cedar River Watershed Unit (as established by the states of Minnesota) consists of 1,204 square miles (3,118 square kilometres) of flat or gently undulating plain. The watershed is drained by the Cedar River and several smaller streams that flow south into Iowa and eventually into the Mississippi River. Its easternmost neck...
Audio-magnetotelluric methods in reconnaissance geothermal exploration
Donald B. Hoover, Carl L. Long
1975, Open-File Report 75-362
About three years ago, at the initiation of a major effort by the U.S. Geological Survey into studies of geothermal systems, a decision was made to evaluate the audio-magnetotelluric, AMT, technique for this application. At that time we had had no real experience with the method nor any equipment. Some...
A geologic analysis of the Side-Looking Airborne Radar imagery of southern New England
Paul T. Banks
1975, Open-File Report 75-207
Analysis of the side looking airborn radar imagery of Massachusetts, Connecticut and Rhode Island indicates that radar shows the topography in great detail. Since bedrock geologic features are frequently expressed in the topography the radar lends itself to geologic interpretation. The radar was studied by comparisons with field mapped geologic...
Map showing ground water conditions in the Fairbanks D-2 NE Quadrangle, Alaska
Troy L. Pewe, John W. Bell
1975, Miscellaneous Field Studies Map 670-B
The primary factors that determine ground-water conditions in the Fairbanks D-2 NE quadrangle are (1) topographic position, (2) water-bearing characteristics of the rocks, and (3) distribution of permafrost. These interrelated factors generally limit the conditions in any particular area....
Rutile and sphene in blueschist and related high-pressure facies rocks
M.C. Blake, Benjamin A. Morgan
1975, Open-File Report 75-36
Sphene and rutile are characteristic accessory minerals of blueschist facies metamorphic rocks. However, only sphene is present in the lowerr grade blueschist assemblages. In many areas of the world these blueschists pass into, or are in fault contact with, higher grade glaucophane schists, rutile-bearing amphibolites, and eclogites. The origin of...
Results of aquifer testing in the Belcourt area, Rolette County, North Dakota
P.G. Randich, G.E. Ghering
1975, Open-File Report 75-396
The city of Belcourt, Agency headquarters for the Turtle Mountain Indian Reservation, is located in northeastern Rolette County, north-central North Dakota.  At the request of the U.S. Public Health Service, the U.S. Geological Survey conducted a study in the vicinity of Belcourt to assist in location of a suitable water...