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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

Heizelman, Frank
United States. Bureau of Mines
Smith, A. B.
Alberts, George B., Jr.
Reinhart, Francis
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In copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).
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