Expeditions 1840s-1850s
LW2882 - USPRR/Williamson Expedition (1853): Entrance of Tejon Pass
LW3188 - USPRR/Williamson Expedition (1853): Cañana de las Uvas
LW2883 - USPRR/Williamson Expedition (1853): View of Great Basin from Tejon Pass
LW2143 - USPRR/Williamson Expedition (1853): Geological Map
LW2010 - Piru Canyon Bridge, Color Postcard, 1910s.
LW2210 - The Tumble Inn Hotel and Restaurant, 1910s-20s.
LW2190 - Climbing the Tejon Grade, 1914.
CT1502 - Road Construction: Steel Reinforcement, 8-7-1915.
CT1501 - Road Construction: Leveling Pavement, 8-18-1915.
LW3510 - Automobile on the "Ridge Route to Bakersfield," ~Late 1910s.
SR1601 - National Forest Inn, ca. 1916.
LW3729 - Ridge Route Highway, 1918-1930.
LW2202 - Sandberg's Summit Hotel. Postcard, 1920.
LW3606 - Sandberg's Summit Hotel. Postcard, ~1920.
AL2066 - Sandberg's Summit Hotel. Real Photo Postcard, 8-1920.
LW2185 - National Forest Inn, Real Photo Postcard, ~1920.
AL1921 - National Forest Inn, Travelers on the Ridge Route (2 Views), Photographs, 4-20-1920.
AL1930 - National Forest Inn, Business Card, ~1920s.
LW2041 - Ridge Route, Elev. 4,000 feet, 1920s.
HR2001 - Speed Limit Warning Sign, Castaic, 1920s.
HS9017 - Ridge Route: Serpentine Drive, Real Photo Postcard, ~1920s.
LW3467 - Ridge Route: Serpentine Drive, Real Photo Postcard, ~1920s.
LW2136 - Looking Toward Piru Canyon, Tinted Postcard, 1920s.
LW2012 - Bridge Across Castaic Creek, Color Postcard, 1920s.
LW2017 - Winding to the Summit, Color Postcard, 1920s.
LW2008 - Swede's Cut, Color Postcard, 1920s.
LW2009 - Climb to Swede's Cut, Color Postcard, 1920s.
LW2021 - Grapevine Grade & Straightaway, Color Postcard, 1920s.
LW2032 - Sandberg's Summit Hotel, Color Postcard, ~1920s.
AL2060 - Caswell's Hotel, Store, And Garage, Color Postcard, ~1920s.
AL2079 - Ridge Route Winding Through the Hills, Real Photo Postcard, ca. 1920s.
AL1974 - Weldon Canyon, Newhall, Real Photo Postcard, ca. 1920s.
LW3650 - Ridge Route Road, Castaic Area, ~1920s.
AL2074 - Pan American Pipeline Construction Camp, ~1925.
AL1927 - Ridge Route Between Hotel Lebec and Fort Tejon, Photograph, ~1926.
AL2065 - Caswell's Hotel, Store, And Garage, Photograph,1930.
LW2413 - Weldon Canyon on US-99, Newhall. Real Photo Postcard, 1930s.
LW3369 - Ridge Route Between L.A. and Bakersfield, Souvenir Postcard, ~1930s.
SB3201 - Ridge Route: "Graceful Turns and Easy Grades," Souvenir Postcard, ~1930s.
LW2830 - Castac Lake ("A Beauty Spot, Lebec, Cal."), RPPC ~1930s.
LW3461 - Winter Scene at Frazier Park, ~1930s.
AL2089 - Hwy. 99, "Ridge Route Cutoff, Hwy 99 South of Bakersfield, California," Real Photo Postcard, 1930s.
LW3416 - Souvenir Postcard: New Ridge Cutoff Near Lebec, 1930s.
LW2236 - Grapevine Grade, 1934.
LW3278 - Grapevine Grade and Town, Pre-1936.
AL2097 - Golden State Highway, U.S. 99, Ridge Section, Official San Joaquin Valley-Sierra Visitor's Guide, 1937.
AL2096 - Holland's Summit Cafe on U.S. Hwy 99, Official San Joaquin Valley-Sierra Visitor's Guide, 1937.
AL2098 - Downer's La Torre Cafe in Castaic, Official San Joaquin Valley-Sierra Visitor's Guide, 1937.
DI3701 - Ridge Route Road / US-99, 4-26-1937.
LW3406 - Wildflowers Along the Ridge Route, Grapevine Area, 1937.
LW2450 - Pioneer Aviator, Passenger Killed in Crash of Light Plane, 4-9-1937.
AL2088 - Hwy. 99, "Easy Climbing On the Ridge Route Between Bakersfield and Los Angeles, California," Postcard, 1938.
LW3795 - FILM: Ridge Route Alternate (Hwy 99), Gorman to Grapevine, Winter 1939.
AL2064 - The Ridge Route Rambler (newspaper), Vol 1, Number 1, 5-23-1939.
AL2076 - Holland's Summit Cafe on U.S. Hwy 99, Frasher Real Photo Postcard, 1940s.
LW2013 - Traveling the Ridge, Linen Postcard, 1940s. Color.
AL1946 - Grapevine on the Ridge, Postcard, 1940s. Color.
AL2068 - Grapevine Station and Cafe, Real Photo Postcard, 1940s.
AL2070 - Grapevine Station and Cafe, 2nd View, Real Photo Postcard, 1940s.
LW3554 - Wolff Residence in Snow, Frazier Park, ~1940s.
LW2237 - Highway 99: South side of Grapevine, 1943.
PM0000 - The Tumble Inn (Mountainview Lodge), 5 Views + Diagram, 1944. Color.
LW2025 - Hwy. 99, "Winding Through the Mountains," Color Linen Postcard, ~1950.
AL2083 - Hwy. 99, "On the Ridge Route Between Los Angeles and Bakersfield, California," Linen Postcard, ca. 1950.
AL2084 - Hwy. 99, "Piru Canyon Bridge," Linen Postcard, ~1950.
AL2051 - Hwy. 99, "The Grapevine," Real Photo Postcard, ~1950s. Color.
LW3300 - Hwy. 99, Approaching the Grapevine, Real Photo Postcard, ~1950s-60s. Color.
LW3454 - U.S. Highway 99 at Piru Gorge, ~1950s.
LT5201 - Sisters Ernestine, Susan & Belen Cooke in Snow on Ridge Route, 1951-1952.
SU5527 - Truck Traffic on Highway 99 South of Bakersfield (3 Views), 1955.
AL2080 - Hwy. 99, Winding Through the Mountains; Real Photo Postcard, 1958.
AL2081 - Hwy. 99, Divided Highway; Real Photo Postcard, 1958.
SU6001 - Sandberg's Summit Hotel, 1960.
SU6002 - Ridge Route Road Bed, 1960.
SU6003 - Ridge Route Highway, 1960.
On Fire Patrol, 2 U.S. Forest Rangers Killed when Plane Slams Into Frazier Mtn., 8-22-1961 • News reports.
AL2082 - Hwy. 99, Rambling Along the Ridge Route; Real Photo Postcard, 1963.
JK0021 - (3) Views from the Ridge Route, 1967-70.
LW3746 - Tourists Stop at Frazier Park Sundries in the Snow, 1968.
LW2213 - Liebre Summit on the Ridge Route (6 Views), 2-19-2006.
LW2214 - Sandberg Inn site on the Ridge Route (6 Views), 2-19-2006.
CT0801 - Ridge Route Dedicated as Historic Civil Engineering Landmark, Pyramid Lake, 3 Views, Caltrans 10-18-2008.
LW2658 - Pyramid Lake (SWP Reservoir), 2 Views, 4-7-2014.
Knapp Ranch
JK7201 - Annie Rose Briggs' 1916 Victrola from Kelly/Knapp Ranch.