TY  - RPRT
TI  - Aerial profiling of terrain to define stream-valley geometry: study report
AU  - Mukund Desai
AU  - William A. Drohan
AU  - John W. Hursh
AU  - Glenn Mamon
AU  - Douglas G. Youmans
PY  - 1976
DO  - 10.3133/ofr76672
UR  - https://pubs.usgs.gov/publication/ofr76672
ID  - ofr76672
ER  -