Report of Topographic and Geologic Survey Commission of Pennsylvania

Report of Topographic and Geologic Survey Commission of Pennsylvania

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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. 1914 edition. Excerpt: ..., r: ! E-i Wisconsin, ..................... Zinc, iron ore, stone, clay products, .... 29; 12,032,158 30 14,192,287 ] 2,160,129 Wyoming, ... Coal, petroleum, iron ore, gypsum, ... 30, 11,483,877 31 13,374,088 + 1,890,711 Maryland, Coal, clay products, stone, cement, ................................. 32w 9,386,515 32 10,916,671 + 1,530,156 Florida, Phosphate rock, clay products, Fuller-s earth, sand-lime brick, 31, 10,50,228 33 10,272,594 + 22,366 Vermont, ........ Stone, slate, talc and soapstone, .................. 33, 8,434,516 34 9,113,912 + 679,396-Q/min Dakota, Gold, stone, silver, .......... 35' 8,047,259 85 8,436,240 + 388,981 Massachusetts, ... Stone, clay products, lime, ........." 36 13,68,077 36 6,654,514 + 31,45 Georgia, ......... Clay products, stone, coal, cement, ... 37; 6,172,857 37 6,806,140 + 133,283 Arkansas, .......... Coal, bauxite, stone, clay products, . 38i 5,86 8% 38 6,258,7$ + 393,904 Percentage of increase (+) or decrease (--). The above paragraphs are only given to indicate the enormous quantity and value of our Pennsylvania minerals, and to show by comparison how fast this mineral wealth is being drawn upon--to emphasize anew the importance of true conservation. The following tables Qve the value of the mineral production of Pennsylvania for 1911 and 1912. COAL. GENERAL STATEMENT. The quantity of anthracite coal mined fell from 90,464,067 short tons in 1911 to 84,361,598 short tons in 1912. This decrease was directly due to the six weeks suspension of work pending the adjustment of the wage scale, and the increase in price of anthracite coal is assignable to the increase in wages granted by that settlement. The average price of anthracite coal per long ton in 1911 was $2.17 and in 1912, $2.36. In contrast wishow more

Product details

  • Paperback | 52 pages
  • 189 x 246 x 3mm | 109g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236739647
  • 9781236739643