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george c sprunk

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Cilt sonuçları

Hydrogenation of the Petrographic Constituents of Pittsburgh Seam Coal

Hydrogenation of the Petrographic Constituents of Pittsburgh Seam Coal

Calvert Charles Wright, George C. Sprunk · Yayınevi bilinmiyor

40 sayfa · 1939

Coal

Microscopic and Petrographic Studies of Certain American Coals

Microscopic and Petrographic Studies of Certain American Coals

Reinhardt Thiessen, George C. Sprunk · Yayınevi bilinmiyor

76 sayfa · 1935

Coal

Mineral Matter in Coal

Mineral Matter in Coal

George C. Sprunk, Hugh J. O'Donnell · Yayınevi bilinmiyor

74 sayfa · 1942

Coal

Coal Paleobotany

Coal Paleobotany

Reinhardt Thiessen, George C. Sprunk · Yayınevi bilinmiyor

60 sayfa · 1941

Coal

Microscopic Study of Elkhorn Coal Bed at Jenkins, Letcher County, Ky

Microscopic Study of Elkhorn Coal Bed at Jenkins, Letcher County, Ky

Reinhardt Thiessen, George C. Sprunk, Hugh J. O'Donnell · Yayınevi bilinmiyor

34 sayfa · 1931

Coal

AirThe Treatment and Sale of Black SandsMax Wilhelm Von Bernewitz, Daniel Harrington, S. H. Lorain, John Joseph Vincent Forbes, United States. Bureau of Mines

The Treatment and Sale of Black Sands

Max Wilhelm Von Bernewitz, Daniel Harrington, S. H. Lorain, John Joseph Vincent Forbes, United States. Bureau of Mines · Yayınevi bilinmiyor

Sayfa sayısı yok · 1938

Air