TY  - RPRT
TI  - Mapping topographic form by digital image-processing in the San Jose 1:100,000 sheet, California
AU  - Richard J. Pike
AU  - William Acevedo
AU  - P. K. Showalter
PY  - 1992
DO  - 10.3133/ofr92420
UR  - https://pubs.usgs.gov/publication/ofr92420
ID  - ofr92420
ER  -