2017-08-102022-02-032017-08-102022-02-031909https://hdl.handle.net/11124/171348Scale 1:3,600. 300 feet to the inch.Blueline.Photocopy.Relief shown by spot heights.Shows Newhouse and Idaho Tunnels and county boundary.Covers parts of Clear Creek, and Gilpin Counties, Colorado. Covers parts of the Central City quadrangle, Colorado. Commodities mined: gold silver, copper, and lead/zinc.55 x 88 cmmine mapsengMines and mineral resources -- Colorado -- Clear Creek County -- MapsMines and mineral resources -- Colorado -- Gilpin County -- MapsMining claims -- Colorado -- Gilpin County -- MapsMining claims -- Colorado -- Clear Creek County -- MapsStillImage