File:Bulletin (1910) (14597954838).jpg

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English:

Identifier: bulletin72unit (find matches)
Title: Bulletin
Year: 1910 (1910s)
Authors: United States. Bureau of Mines
Subjects: Mines and mineral resources Mines and mineral resources Mining engineering
Publisher: Washington U.S. Govt. Print. Off. (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
Contour lines show altitude of Red Ash - Dunmorecoal above sea level; interval 200 feet (Full tines compiled from mine maps of various coal companies.Broken tines hypothetical and based largely on drill recordsand surface data. I Datum, sea level (varies slightly with different companies) Faults (in which strata are widely disrupted) y Dip. ■ Principal mines. Outcrop of Red Ash - Dunmore coal bed.fesMjSjj Pottsville Conglomerate. ;: (Prom maps of Second Geological Survey*^rna of Pennsylvania.) Approximate area in which there imuch gas. ■ Areas exceptionally gaseous. (So far as developed by mining.) STRUCTURAL MAP OF THE NORTHERN ANTHRACITE BASIN, SHOWDi S By N H DarteaI I S**^ 1 —-
Text Appearing After Image:
%m NTHB M ITK BA81N, SHOWING SOME CONDITIONS OF DISTRIBUTION OF METHANE. By N. H Dfcrton GAS IN NORTHERN PENNSYLVANIA ANTHRACITE FIELD. 107 order to determine the relations between the occurrence of gas andthe structural features, a complete compilation was made of theposition of the coal beds as shown by mine maps, especially of work-ings in the lower beds and further data were obtained from manybore-hole records kindly made available by officials of the variouscompanies. From this material contour fines were drawn to show theconfiguration of the lowest important coal bed, which is called theRed Ash in the Pittston-Shickshinny region and the lower Dunmore inthe Scranton region. In certain areas in which no mining had beendone, and in places where only the upper beds have been mined, thestructure had to be inferred by various means and the hypotheticalcontours are represented by broken lines. COLLECTION OF MINE-AIR SAMPLES. Samples of mine air were collected in bottles which were take

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https://www.flickr.com/photos/internetarchivebookimages/14597954838/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
72
Flickr tags
InfoField
  • bookid:bulletin72unit
  • bookyear:1910
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:United_States__Bureau_of_Mines
  • booksubject:Mines_and_mineral_resources
  • booksubject:Mining_engineering
  • bookpublisher:Washington_U_S__Govt__Print__Off___etc__
  • bookcontributor:Gerstein___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:110
  • bookcollection:gerstein
  • bookcollection:toronto
Flickr posted date
InfoField
30 July 2014

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