Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Study of spoil banks associated with lignite strip mining in North Dakota
Investigation was conducted to determine areal extent and condition of spoil piles from previous strip mining operations, to determine areal extent of current operations and current practices in regard to rehabilitation and to make recommendations in regard to future operations; cumulative maximum of 7,000 acres have been disturbed by strip mining operations as of Jan 1 1964, with current rate of about 200 acres/yr.
Study of spoil banks associated with lignite strip mining in North Dakota
Investigation was conducted to determine areal extent and condition of spoil piles from previous strip mining operations, to determine areal extent of current operations and current practices in regard to rehabilitation and to make recommendations in regard to future operations; cumulative maximum of 7,000 acres have been disturbed by strip mining operations as of Jan 1 1964, with current rate of about 200 acres/yr.
Study of spoil banks associated with lignite strip mining in North Dakota
North Dakota Geol Survey -- Misc Ser 24
Carlson, C.G. (Autor:in) / Laird, W.M. (Autor:in)
1964
28 pages
Aufsatz (Zeitschrift)
Englisch
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The lignite of North Dakota and its relation to irrigation
| TIBKAT | 1905
Elsevier | 1987