TY  - RPRT
TI  - Shaded-relief topographic map of San Mateo County, California
AU  - R. K. Mark
AU  - D. S. Aitken
PY  - 1990
DO  - 10.3133/i1257k
UR  - https://pubs.usgs.gov/publication/i1257K
ID  - i1257K
ER  -