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Publication Extents

Not all publications have extents, not all extents are completely accurate
Preliminary interpretation of an aeromagnetic survey in central and southwestern Iowa
John Richard Henderson, Isidore Zietz, Walter S. White
1963, Open-File Report 63-46
The U. S. Geological Survey made a 10,000 square mile aeromagnetic survey of central and southwestern Iowa in mid-1962. This work, done in cooperation with the Iowa Geological Survey, completed magnetic coverage for the approximately 220 mile section of the "midcontinent gravity high" located in Iowa....
A field method for measurement of infiltration
A.I. Johnson
1963, Water Supply Paper 1544-F
The determination of infiltration--the downward entry of water into a soil (or sediment)--is receiving increasing attention in hydrologic studies because of the need for more quantitative data on all phases of the hydrologic cycle. A measure of infiltration, the infiltration rate, is usually determined in the field by flooding basins...
Geology and hydrology of the Elk River, Minnesota, nuclear-reactor site
Ralph F. Norvitch, Robert Schneider, Richard G. Godfrey
1963, Bulletin 1133-C
The Elk River, Minn., nuclear-reactor site is on the east bluff of the Mississippi River about 35 miles northwest of Minneapolis and St. Paul. The area is underlain by about 70 to 180 feet of glacial drift, including at the top as much as 120 feet of outwash deposits (valley...