TY  - RPRT
TI  - Gravitational spreading of steep-sided ridges ("sackung") in western United States
AU  - D. H. Radbruch-Hall
AU  - D. J. Varnes
AU  - W. Z. Savage
PY  - 1976
DO  - 10.1007/bf02634754
UR  - https://pubs.usgs.gov/publication/70000761
ID  - 70000761
ER  -