Mineral Resources of the United States Volume 1917, No. 2

Mineral Resources of the United States Volume 1917, No. 2

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...by counties. Short Urns. County. Adair Audrian Barton Bates Boone Caldwell Callaway Grundy Henry Jackson Johnson Lafayette Linn Livingston Macon Montgomery and Morgan.. Putnam Ralls Randolph Ray Vernon Other counties and small mines Total Total value 158,011 35,916 144,354 281,020 22,629 20,430 28,008 42,361 82,586 20,000 11,255 438,922 85,256 (00 1,040,976 3,474 133,397 23,688 403,403 267,432 238,070 120,000 (i Montgomery County only. The coal measures of Missouri occupy the northwestern half of the State and underlie approximately 23,000 square miles, of which 14,000 are considered to be probably productive territory. The beds belong to the Pennsylvania series of the Carboniferous and, as in Iowa, include two well-marked divisions, a lower and an upper. The lc wer or productive portion occupies a belt along the eastern edge of the field, and mining is confined entirely to this area. The formation consists largely of shalus and sandstones, with a few thin limestones in the upper part. The coal beds are from 4 to 6 feet thick in most situations, but are patchy in distribution. The coal is of a dry, noncoking bituminous grade. Near the edge of the field are several outliers of very thick coal, occupying erosion depressions in the underlying limestones. These have small economic importance, but have created a great deal of interest and have led to the loss of considerable money in exploration. The total thickness of the coal measures is estimated at 2,000 feet and increases from the outcrop to the northwest, in which direction the beds have a gentle dip. The productive areas of the State include: (1) The northern, occupying Putnam and adjacent counties, and in which the extension of the Centerville coal of Iowa is mined. From this field...show more

Product details

  • Paperback | 550 pages
  • 189 x 246 x 28mm | 971g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236986768
  • 9781236986764