TY  - RPRT
TI  - History of land classification relating to waterpower and storage sites
AU  - Fred Forrest Lawrence
AU  - C.E. Nordeen
AU  - H.L. Pumphrey
PY  - 1957
DO  - 10.3133/cir400
UR  - https://pubs.usgs.gov/publication/cir400
ID  - cir400
ER  -