Twin Lakes region: a rich placer and gold mining district of Colorado which has been but littled developed

Guentherodt, J. J.Marks, John H. |q (John Henry)2018-11-192022-02-032018-11-192022-02-03https://hdl.handle.net/11124/172763Mine report no. 1004.Includes letter written by John H. Marks, dated, Feb. 25, 1948.Typescript (carbon copy).reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Chaffee CountyOres -- Colorado -- Chaffee CountyGold mines and mining -- Colorado -- Chaffee CountyTwin Lakes (Colo.)Twin Lakes region: a rich placer and gold mining district of Colorado which has been but littled developedText