Copper-nickel mining feasibility study, Duluth Gabbro Area, Minnesota : underground - open stoping with backfill

Copper-nickel mining feasibility study, Duluth Gabbro Area, Minnesota : underground - open stoping with backfill /

Saved in:
Bibliographic Details
Main Author: Gignac, Louis P.
Format: Thesis Book
Language:English
Published: 1974
Subjects:
Copper mines and mining > Minnesota.
Nickel mines and mining > Minnesota.
Mines and mineral resources > Minnesota.
Description
Physical Description:ix, 252 leaves : illus., maps (fold-out) ; 29 cm.
Bibliography:Bibliographies: leaves 98, 216.

Similar Items