Some Principles of Accelerated Stream and Valley Sedimentation

Washington: U.S. Department of Agriculture, 1940. Technical Bulletin No. 695. Softcover. Booklet; G/no-DJ paperback; Beige spine with black text; Covers have small tears at head and tail spine edges with moderately sunned exterior, bent tail front fore edge, and brown staining on rear; Text block shows slight wear due to age and handling with adhesive stain on last page and inside back cover, however pages are fully bound and unmarked; slight writing inside front cover; pp 134. Rockville. (Inventory #: 7-130-1295914)