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Page 5641, results 141001 - 141025

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Spatial variation in total element concentration in soil within the Northern Great Plains coal region and Regional soil chemistry in Bighorn and Wind River basins, Wyoming and Montana
R. C. Severson, R.R. Tidball
1979, Professional Paper 1134-A,B
PART A: To objectively determine the changes in chemical character of an area subjected to mining and reclamation, prior information is needed. This study represents a broadscale inventory of total chemical composition of the surficial materials of the Northern Great Plains coal region (western North and South Dakota, eastern Montana,...
Sand dunes on the central Delmarva Peninsula, Maryland and Delaware
Charles Storrow Denny, James Patrick Owens
1979, Professional Paper 1067-C
Inconspicuous ancient sand dunes are present in parts of the central Delmarva Peninsula, Maryland and Delaware. Many dunes are roughly V-shaped, built by northwest winds, especially on the east sides of some of the large rivers. On the uplands, the form and spacing of the dunes are variable. A surficial...
Paleotectonic investigations of the Mississippian System in the United States
Lawrence C. Craig, Carol Waite Connor, Others
1979, Professional Paper 1010
This professional paper is the fifth in a series of paleotectonic studies each covering a geologic system in the conterminous United States. Part I provides a region-by-region discussion of data concerning the Mississippian System and an explanation and documentation for the maps and sections contained in part III. Part II...