TY  - RPRT
TI  - Gravitational spreading of steep-sided ridges ("sackung") in Colorado
AU  - Dorothy H. Radbruch-Hall
AU  - David J. Barnes
AU  - Roger B. Colton
PY  - 1977
UR  - https://pubs.usgs.gov/publication/70233534
ID  - 70233534
ER  -