Congressional Edition Volume 6232

Congressional Edition Volume 6232

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 edition. Excerpt: ... 12-inch cubes. All volatile expelled. Very fine cells. Metallic ring. Lumps on fracture have appearance of charcoal structure. Very light weight. Charge did not fuse or show any evidence of running together, but every coal particle coked separately. Test No. 245: Dull-gray color. Poor, soft coke. Fine fingered and badly cross fractured. Metallic ring. Cell structure very small, dense. Test No. 246: This charge thoroughly wet before charging in attempt to hold back oven and get larger and more open cracks; no results. Produced poor, soft, finefingered coke. Dull-gray color, some little deposit of carbon on upper 2 inches. Cell structure small, dense. Breakage, badly cross fractured. Metallic ring. Very light weight. Other openings near Bowie (Nos. 39-4.1).--Several openings have been made in the Juanita bed in the vicinity of Bowie, and these indicate that the coal is fairly constant in character and thickness over a considerable area. H. Mallott has opened a prospect in this eoal east of Hubbard Creek, at locality No. 39 of the accompanying map, and two other prospects south of North Fork apparently are on this bed. An old entry, at locality No. 40, known as the Mallott opening (not to be confused with Mr. Mallott's prospect on Hubbard Creek) is 50 feet above the base of the coal-bearing rocks, and the entry was driven in 250 feet on the coal bed. Prior to tbe time of investigation, the entry had been closed by the falling of the roof, but Mr. Mallott, who drove it five years before, stated that the coal cokes readily and is otherwise similar to the Juanita coal. It showed little tendency to slack, and lumps that are said to have lain on the dump for five years are still intact. Section of coal bed at the prospect opening on Hubbard more

Product details

  • Paperback | 90 pages
  • 189 x 246 x 5mm | 177g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236601882
  • 9781236601889