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Page 6122, results 153026 - 153050

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The Geology of the Upper Mississippi Valley Zinc-Lead District
Allen V. Heyl Jr., Allen F. Agnew, Erwin J. Lyons, Charles H. Behre Jr., Arthur E. Flint
1959, Professional Paper 309
The upper Mississippi Valley zinc-lead district includes the southwest part of Wisconsin, the northwest corner of Illinois, and a narrow fringe of Iowa extending from Bellevue to McGregor, just west of the Mississippi River. The total area of the district is 4,000 square miles. The entire district is drained by...
Part 4. Submarine topography and shoal-water ecology
Preston E. Cloud Jr.
1959, Professional Paper 280-K
The topography of the sea floor within 10 miles of Saipan broadly resembles that of the land. Eastward, toward the Mariana trench, slopes are about 6°, without prominent benches or scarps. This is inferred to indicate easterly continuation of generally pyroclastic bedrock. The westward slope averages 2° to 3° and...
Impact mechanics at Meteor Crater, Arizona
Eugene Merle Shoemaker
1959, Open-File Report 59-108
Meteor Crator is a bowl-shaped depression encompassed by a rim composed chiefly of debris stacked in layers of different composition. Original bedrock stratigraphy is preserved, inverted, in the debris. The debris rests on older disturbed strata, which are turned up at moderate to steep angles in the wall of the...