Oregon, Coos Bay quadrangle : land classification and density of standing timber / U.S. Geological Survey ; R.U. Goode, geographer in charge ; triangulation by W.T. Griswold ; topography by E.C. Barnard ; Henry Gannett, geographer in charge ; land classifGeological Survey (U.S.)[1900]"Julius Bien & Co. Lith. N.Y.""Surveyed in 1895-96."Plate CXXVII from the "Twenty-first annual report" of the United States Geological Survey, Part 5, Forest reserves (1900).Relief shown by contours and spot heights.Shows seven classes of land cover.cartographic