Washington DC: Government Printing Office, 1908-1909. Two Professional Papers in one volume. Hardcover. 96; 203pp. Quarto [29 cm] Heavy tan buckram with a black ink stamped title on the spine, and simple black ink ruled lines on the spine and covers. Very good. The covers are rubbed, soiled and darkened. There are numerous light stains on the edges of the text block. The pages are mildly browned, and the bottom corners of the pages are lightly stained. Item #26810
Complete with all illustrations and maps. Subjects include Records of Extinct Glaciers, Milling, Phenomena of Canyons of North Slope, Pre-Cambrian Sediments and more.