LANDSLIDING AND MUDFLOWS AT WRIGHTWOOD, SAN BERNARDINO COUNTY, CALIFORNIA; PART I, WRIGHT MOUNTAIN LANDSLIDE, RENEWED MOVEMENT IN 1867: PART II, WRIGHT MOUNTAIN MUDFLOWS, SPRING 1969; SPECIAL REPORT 136
San Francisco: California Division of Mines and Geology, 1979. Soft cover. Twenty-one pages with photographs, tables, graphs, maps, and references cited. Bound in original green stiff paper covers lettered in black. A fine and bright, as new copy. More