Item #47208 EFFECTS OF THE CATASTROPHIC FLOOD OF DECEMBER 1966, NORTH RIM AREA, EASTERN GRAND CANYON, ARIZONA: GEOLOGICAL SURVEY PROFESSIONAL PAPER 980. M. E. Cooley, B. N. Aldridge, R C. Euler.

EFFECTS OF THE CATASTROPHIC FLOOD OF DECEMBER 1966, NORTH RIM AREA, EASTERN GRAND CANYON, ARIZONA: GEOLOGICAL SURVEY PROFESSIONAL PAPER 980

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1977. Soft cover. Item #47208

Severe channel erosion accompanied the floods in Grand Canyon and damaged archeological sites dated A.D. 1050-1150 and modern facilities in Bright angel canyon. The most spectacular effects of the storm, however, were the mudflows and debris slides that occurred mainly in the amphitheaters at the heads of the gorges along the north rim. 43 pages with maps, photographs, tables, and references, plus the large folded map plate in the rear pocket. Bound in original gray stiff paper covers printed in black. Rough area at the base of the spine and small name stamp on the title page. A near fine copy.

Price: $25.00