TY  - RPRT
TI  - Slope map of San Mateo County, California
AU  - R. K. Mark
AU  - E. B. Newman
AU  - E. E. Brabb
PY  - 1988
DO  - 10.3133/i1257j
UR  - https://pubs.usgs.gov/publication/i1257J
ID  - i1257J
ER  -