Grand Rapids, MN Silica Mines
Silica Mines in Grand Rapids, Minnesota
Mine |
Owner |
Land Status |
Work Type |
Minerals |
Bovey-Delaittre Reserve H-27 |
Hanna Ore Mining Co. (The Hanna Mining Co., Agt.) |
Mixed |
|
Silica |
Pokegama Reserve X-56 |
Beckfelt, Finnegan, Gilbert, Et Al. |
Mixed |
|
Silica |
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