Improvement map for Torrey Pines Preserve, San Diego County, 1931 Description: Plan includes contour lines and elevation measurements Date: April 1931 Resource Type: still image Collection: Ralph D. Cornell Papers, 1925-1972
Improvement map for Torrey Pines Preserve, San Diego County, 1931 Description: Plan includes contour lines and elevation measurements Date: April 1931 Resource Type: still image Collection: Ralph D. Cornell Papers, 1925-1972
Improvement map for Torrey Pines Preserve, San Diego County, 1931 Description: Plan includes contour lines and elevation measurements Date: April 1931 Resource Type: still image Collection: Ralph D. Cornell Papers, 1925-1972
