Mining lease and option on property of Frank Heizelman: Crescent lode, Grand Union lode and St. Marys lode all being survey no. 5327 in the Central mining district in the county of Boulder and the state of Colorado
Author
Heizelman, FrankSmith, A. B.
Alberts, George B., Jr.
Reinhart, Francis
United States. Bureau of Mines
Date
1932?Keywords
Mines and mineral resources -- Colorado -- Boulder CountyMining claims -- Colorado -- Boulder County
Central Mining District (Colo.)
Crescent Lode (Colo.)
Grand Union Lode (Colo.)
St. Marys Lode (Colo.)