TY  - RPRT
TI  - A preurbanization reconnaissance study of Lake Earl, Del Norte County, California
AU  - E. J. Helley
AU  - R. C. Averett
PY  - 1972
DO  - 10.3133/ofr72162
UR  - https://pubs.usgs.gov/publication/ofr72162
ID  - ofr72162
ER  -