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Dever C Ashmead
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Cilt sonuçları
Anthracite Culm and Silt
James Donaldson Sisler, Thomas Fraser, Dever Campbell Ashmead · Yayınevi bilinmiyor
280 sayfa · 1928
Anthracite coal
Technical and Resource Factors Influencing Output Per Man in the Preparation and Underground Mining of Anthracite
Dever C. Ashmead, Wilhelmina F. Whiting, Mineral Technology and Output per Man Studies, United States. Works Progress Administration, United States. Bureau of Mines · Yayınevi bilinmiyor
788 sayfa · 1938
Coal mines and mining
Metal-mine Accidents in the United States During the Calendar Year 1923
Dever Campbell Ashmead, Frank Aaron Edson, Lee Clyde Ilsley, Lewis C. Karrick, Louis Downer Tracy, Oliver Bowles, Raymond Bardeen Ladoo, William Waugh Adams, Alva Britt Hooker · Yayınevi bilinmiyor
Sayfa sayısı yok · 1926
Anhydrite