The Online Books Page

Books by S. H. Ash:

Books in the extended shelves:

• Ash, S. H. (Simon Harry), 1889-: Accident experience and cost in California metal mines (U.S. Dept. of the Interior, Bureau of Mines, 1935) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Accident experience and cost of accidents at Washington metal mines and quarries (U.S.Bureau of Mines, 1932), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Accident prevention at the New Black Diamond Coal Mine, Washington (U.S. Bureau of Mines, 1933), also by R. W. Smith and United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Acid-mine-drainage problems : anthracite region of Pennsylvania (U.S. G.P.O., 1951) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Automatic derailing switch at Roslyn no. 3 mine, Northwestern Improvement Company, Roslyn, Wash. (U.S. Dept. of Commerce, Bureau of Mines, 1930), also by Rudolf H. Kudlich (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: An automatic electric man-hoist for slopes or inclines (U.S. Dept. of Commerce, Bureau of Mines, 1930) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Backfilling problem in the anthracite region as it relates to conservation of anthracite and prevention on subsidence (U.S. Dept. of the Interior, Bureau of Mines, 1946), also by James Westfield (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Barrier pillars in the Southern field : anthracite region of Pennsylvania (U.S. G.P.O., 1953), also by H. D. Kynor (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Buried valley of the Susquehanna River : anthracite region of Pennsylvania (U.S. G.P.O., 1950) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Corrosive and erosive effects of acid mine waters on metals and alloys for mine pumping equipment and drainage facilities : anthracite region of Pennsylvania (Washington, D.C. : U.S. G.P.O., 1955., 1955) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Data on pumping at the anthracite mines of Pennsylvania (U.S. Dept. of the Interior, Bureau of Mines, 1950) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Electrical blasting practice as some coal mines in state of Washington (U.S. Dept. of Commerce, Bureau of Mines, 1930), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Explosions in Washington coal mines (U.S.Bureau of Mines, 1931), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Explosives accidents in California metal mines (U.S. Dept. of Commerce, Bureau of Mines, 1933), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Falls of roof and coal in Washington mines (U.S. Dept. of Commerce, Bureau of Mines, 1932), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Flood prevention in anthracite mines, Northern field : anthracite region of Pennsylvania, project no. 1 (Lackawanna) (U.S. G.P.O., 1954) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Flood-prevention projects at Pennsylvania anthracite mines : a preliminary study ([Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1946., 1946), also by James Westfield and United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Flood-prevention projects at Pennsylvania anthracite mines : progress report for 1945 ([Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1947., 1947), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Flood-prevention projects at Pennsylvania anthracite mines : progress report for fiscal year ended June 30, 1947 ([Washington, D.C.] : [U.S. Dept. of the Interior, Bureau of Mines], 1948., 1948), also by United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Safety committees in the coal mines of the state of Washington (U.S. Dept. of Commerce, Bureau of Mines, 1930) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Safety practices in California gold dredging (U.S. G.P.O., 1932) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Safety practices in tunneling operations at the Hetch Hetchy Water-supply Project, City and County of San Francisco, Calif. (U.S. Bureau of Mines, 1933), also by Carl R. Rankin and United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Some factors affecting an accident-prevention program in metal mining in California (U.S. Dept. of the Interior, Bureau of Mines, 1936), also by Emory Smith and United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Some haulage safety devices for use on grades, slopes, and inclined shafts (U.S. G.P.O., 1942), also by G. W. Grove, E. J. Ristedt, and United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Systematic timbering rules at the Washington coal mines (U.S. Dept. of Commerce, Bureau of Mines, 1930) (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Unwatering flooded coal mines in Washington (U.S.Bureau of Mines, 1933), also by Thomas Murphy and United States Bureau of Mines (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Use of diesel engines in tunnels (U.S. Dept. of the Interior, Bureau of Mines, 1942), also by L. L. Naus (page images at HathiTrust)
• Ash, S. H. (Simon Harry), 1889-: Water problem in the Pennsylvania anthracite mining region (U.S. Dept of the Interior, Bureau of Mines, 1941), also by United States Bureau of Mines (page images at HathiTrust)

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