Wyoming, Bald Mountain quadrangle : land classification and density of standing timber / U.S. Geological Survey ; E.M. Douglas, geographer in charge ; triangulation by W.S. Post ; topography by Frank Tweedy ; Henry Gannett, geographer in charge ; land claGeological Survey (U.S.)[1900]."Julius Bien & Co. Lith. N.Y.""Surveyed in 1898."Plate CXXXIX from the "Twenty-first annual report" of the U.S. Geological Survey, Part 5, Forest reserves (1900).Relief shown by contours and spot heights.Shows six classes of land cover.cartographic