TY  - RPRT
TI  - Approximate ground-water-level contours, April 1981, for the Soquel-Aptos area, Santa Cruz County, California
AU  - Richard M. Bloyd
PY  - 1981
DO  - 10.3133/ofr81680
UR  - https://pubs.usgs.gov/publication/ofr81680
ID  - ofr81680
ER  -