Simon Harry Ash

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Books

Surface-water Seepage Into Anthracite Mines in the Wyoming Basin, Northern Field

Surface-water Seepage Into Anthracite Mines in the Wyoming Basin, Northern Field

Edward Thomas, W. I. R. Murphy, Oliver Caldwell Ralston, H. B. Link, George Samuel Rice, Simon Harry Ash, Royd Ray Sayers, Norman L. Wimmler, Seth T. Reese, Charles Thomas Holland, Everett Perry Carman, H. B. Jensen, William Marsh Myers, Carl Otto Anderson, H. D. Kynor, Naomi W. Kearney, Ralph H. Whaite, W. I. Barnet, Elizabeth A. Miller

Data on Pumping at the Anthracite Mines of Pennsylvania

Data on Pumping at the Anthracite Mines of Pennsylvania

Simon Harry Ash

Quarry Accidents in the United States During the Calendar Year 1939

Quarry Accidents in the United States During the Calendar Year 1939

William Waugh Adams, Daniel Harrington, Arno Carl Fieldner, Virginia E. Wrenn, Simon Harry Ash, L. E. Geyer, M. G. Parry, Ralph Emmet Brewer, William Elmer Rice, Harry Elston Moran

Permissible Mine Equipment Approved to January 1, 1953

Permissible Mine Equipment Approved to January 1, 1953

Ernest J. Gleim, Robert Sloan James, Sara Jeannette Davenport, H. B. Link, Virginia E. Wrenn, Simon Harry Ash, Hilary Breton Brunot, James Patrick Coughlin, Seth T. Reese, G. G. Morgis, Elizabeth J. Reid, W. M. Romischer

Accident Experience and Cost in California Metal Mines

Accident Experience and Cost in California Metal Mines

Simon Harry Ash

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