TY  - RPRT
TI  - Geologic processes at the land surface
AU  - Howard Gordon Wilshire
AU  - K. A. Howard
AU  - C. M. Wentworth
AU  - Helen Gibbons
PY  - 1996
DO  - 10.3133/b2149
UR  - https://pubs.usgs.gov/publication/b2149
ID  - b2149
ER  -