Kuhn, Truman Howard, 1908-2022-12-082022-12-08https://hdl.handle.net/11124/15565Scale approximately 1:1,200."December 1, 1951.""Mine workings from map by Chas. L. Harrington, dated October 8, 1949 and November 9, 1951 with additions by Truman H. Kuhn."At head of title: Department of Interior. U.S. Geological Survey."DMA docket 115."31 x 27 cmmine mapsmanuscript mapsengNo Known Copyright: http://rightsstatements.org/vocab/NKC/1.0/.Mines and mineral resources -- Colorado -- Clear Creek County -- MapsSan Juan level and portion of Grizzly level, Grizzly mine: Clear Creek County, ColoradoStillImage