A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation characteristics of Pennsylvania anthracite from the Bottom Red Ash bed, northern field
Preparation characteristics of Pennsylvania anthracite from the Bottom Red Ash bed, northern field
Preparation characteristics of Pennsylvania anthracite from the Bottom Red Ash bed, northern field
Sanner, William S. (author)
Report of investigations ; 6989
1967
II, 36 S.
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Book
English
Ventilation at anthracite collieries of Northern Pennsylvania Field
| Engineering Index Backfile | 1937
Barrier pillars in Lackawanna Basin, northern field, anthracite region of Pennsylvania
| Engineering Index Backfile | 1952
Inundated anthracite reserves: Eastern Middle field of Pennsylvania
| Engineering Index Backfile | 1950
Barrier pillars in southern field, anthracite region of Pennsylvania
| Engineering Index Backfile | 1953