Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Use of rock dust in bituminous-coal mines, 1930 to 1938 (statistical survey)
Statements and figures presented are intended to show extent to which rock dust has been and is being employed in bituminous coal mines of United States; they cannot show, and they are not intended to show, any relationship between rock dusted and non-rock dusted mines that is due to use of rock dust. (11 p and correction slip)
Use of rock dust in bituminous-coal mines, 1930 to 1938 (statistical survey)
Statements and figures presented are intended to show extent to which rock dust has been and is being employed in bituminous coal mines of United States; they cannot show, and they are not intended to show, any relationship between rock dusted and non-rock dusted mines that is due to use of rock dust. (11 p and correction slip)
Use of rock dust in bituminous-coal mines, 1930 to 1938 (statistical survey)
U S Bur Mines -- Report Investigations
Adams, W.W. (Autor:in)
1940
11 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Rock dust in bituminous-coal mines during 1930-33
| Engineering Index Backfile | 1935
Drainage from bituminous coal mines
| Engineering Index Backfile | 1954
Falls of coal and rock on man-trips in bituminous-coal mines
| Engineering Index Backfile | 1935
Rock-dust barriers for coal mines
| Engineering Index Backfile | 1930
Methods of rock dusting bituminous mines
| Engineering Index Backfile | 1925