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Page 5736, results 143376 - 143400

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Publication Extents

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Geology and ground-water resources of the Grand Rapids area, north-central Minnesota
Edward L. Oakes
1970, Hydrologic Atlas 322
This report is one of a series of studies of geology and ground-water availability conducted in and near selected communities on the Mesabi Iron Range, north-central and northeastern Minnesota. This report describes the geology and ground-water conditions in the 303 square-mile Grand Rapids area....
Water resources of the Redwood River watershed, southwestern Minnesota
Wayne A. Van Voast, L.A. Jerabek, R.P. Novitzki
1970, Hydrologic Atlas 345
The Redwood River watershed contains 739 square miles underlain by glacial drift and sedimentary and crystalline rocks. The land surface slopes gently northeastward and eastward from altitudes greater than 1900 feet at the southwestern edge to less than 850 feet at the mouth of the Redwood River in the east. The...
Preliminary investigation of cement materials in the Taif area, Saudi Arabia
Conrad Martin
1970, Open-File Report 70-216
A preliminary investigation of possible sources of cement rock in the Taft area was made during the latter part of August 1968. Adequate deposits of limestone, clay, quartz conglomerate and sandstone, and pisolitic iron ore, yet no gypsum, were located to support a Cement plant should it prove feasible to...
An appraisal of the Jabal Idsas magnetite mineralization based on diamond drill hole N40A
Conrad Martin
1970, Open-File Report 70-215
Diamond Drill Bole N40, intended to test the magnetite mineralization at Jabal Idsas, was aborted because of technical difficulties and a new hole, N4OA, was drilled at the same site in February of 1968 to an inclined down-the-hole depth of 445.7 meters. Disseminated magnetite and locally massive lenses, veins, and...