Rohlfing, D. P.2023-03-162023-03-161935https://hdl.handle.net/11124/16738Scale approximately 1:12,000 1,000 feet to an inch.Oriented with north to the upper right.Shows geology, company land ownerships, bodies of water, Aspen townsite, range and township.Includes cross-section showing geology."Compliments of F.D. Willoughby, Aspen, Colo."20 x 48 cmgeological mapsengNo Known Copyright: http://rightsstatements.org/vocab/NKC/1.0/.Oil-shales -- Colorado -- Pitkin County -- MapsGeology -- Colorado -- Pitkin County -- MapsGeologic map and section of the Aspen mining district, oil shale showing the mining properties, Pitkin County, ColoradoStillImage