A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental longwall mining in a Pennsylvania anthracite mine : (in two parts) / by Robert J. Brennan, John W. Buch, and Edward R. Navrocky ; Pt. 1: Use of yielding steel props
Experimental longwall mining in a Pennsylvania anthracite mine : (in two parts) / by Robert J. Brennan, John W. Buch, and Edward R. Navrocky ; Pt. 1: Use of yielding steel props
Experimental longwall mining in a Pennsylvania anthracite mine : (in two parts) / by Robert J. Brennan, John W. Buch, and Edward R. Navrocky ; Pt. 1: Use of yielding steel props
Brennan, Robert J. (author) / Buch, John W. (author) / Navrocky, Edward R. (author)
1964
27 S
Ill., graph. Darst., Kt
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Book
English
Experimental Longwall mining in Pennsylvania anthracite mine -- 1
| Engineering Index Backfile | 1964
Engineering Index Backfile | 1940
Steel pit props and mine arches
| Engineering Index Backfile | 1934
Mine water problems of Pennsylvania anthracite region
| Engineering Index Backfile | 1957