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Page 7114, results 177826 - 177850

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Publication Extents

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Progress report on the geology and ground-water hydrology of the Lower Missouri-Souris Unit; Part 1, Crosby-Mohall area, North Dakota
Gerald A. Waring, G.A. LaRocque Jr.
1949, Open-File Report 49-121
The Crosby-Mohall area covers about 2,700 square miles in the north-western part of North Dakota. This area is included in the 2,500,000-acre Missouri-Souris and Garrison Diversion irrigation projects,which are important units in the general plans for development of the water resources of the Missouri River Basin. Although the Crosby-Mohall area...
Annual runoff in the United States
Walter Basil Langbein
1949, Circular 52
The water that drains from the land into creeks and rivers is called runoff. Supplying many of our basic human needs for water, runoff occurs chiefly as a residual of rainfall after Nature’s take – that is, after the persistent demands of evaporation from land and transpiration from vegetation have...
Petrology and habit of some diabase sheets in southeastern Pennsylvania
Preston Enslow Holtz
1949, Open-File Report 49-33
Small masses of granophyre occur in the upper part of diabase intrusions southeastern Pennsylvania. Diamond drill hole exploration of magnetite deposits near Dillsburg revealed a body of diabase beneath the sedimentary rocks in which the deposits occur. The drill core revealed a complete gradational sequence downward from a diabase chill...