Browse TRAIL Inventories

Alice Zinc Mine, Ozark County, Mo.

Churn drilling at the Capital and Greenland zinc mines, Lawrence County, Mo.

Methods and costs of mining fluorspar from a flat-bedded deposit at Cave-In-Rock, Ill.

Investigation of Douglas fluorite property, Pope County, Ill.

Investigation of mica deposits at the Victory, Jack Rabbit, Rainbow, and Midas mines, Custer County, S. Dak.


Published Year

Subject

Author