TY  - RPRT
TI  - Preliminary landslide overview map of the conterminous United States
AU  - D. H. Radbruch-Hall
AU  - R. B. Colton
AU  - W. E. Davis
AU  - B. A. Skipp
AU  - Ivo Lucchitta
AU  - D. J. Varnes
PY  - 1976
DO  - 10.3133/mf771
UR  - https://pubs.usgs.gov/publication/mf771
ID  - mf771
ER  -