Landslide Hazard Mapping on a Shoestringby Clarence B. Drennon, (M.ASCE), Asst. Prof. of Civ. Engrg.; South Dakota School of Mines and Tech., Rapid City, S.D.,
William G. Schleining, (A.M.ASCE), Materials Engineer; U.S.Forest Service, Custer, S.D.; formerly, Grad. Student, South Dakota School of Mines and Tech., Rapid City, S.D.,
Serial Information: Journal of the Surveying and Mapping Division, 1975, Vol. 101, Issue 1, Pg. 107-114
Document Type: Journal Paper
Abstract: Low out-of-pocket cost preparation of a landslide susceptibility map is described for the Rapid City East quadrangle, South Dakota. The map classifies all terrain from Class 1 — very low probability of landslide, to Class 6 — very high probability of landslides by an interpretation of geologic, slope, and landslide information. Each information area is prepared as a map. The geologic map was prepublished. The slope map is hand-prepared from a topographic map. The landslides are identified using borrowed air photos, marked on photo-covering acetate, and transferred to a topographic map. Maps are then combined by overlaying and the susceptibility class determined by proportion of landslide area for each slope-geologic unit.
Subject Headings: Mapping | Landslides | Slopes | Information management | Probability | Topography | Geology | Urban areas | North America | South Dakota | United States
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