Mount Baldy, showing narrows near the summit, California, ca.1920 

Distant view of snow-capped Mount San Antonio (or Mount Baldy), ca.1920 

Sierra Madre trail on Mount Wilson, 1886 

Wide avenue in Los Angeles leading towards the Sierra Madre mountains, [s.d.] 

Sketch of the San Bernardino Mission by H.C. Ford, showing the Cucamonga Mountain Range, 1880 

View of Mount San Antonio (also known as Mount Baldy), viewed from San Diemas (or Dimas?) Canyon, 1885 

Distant view of snow-capped Mount San Antonio (or Mount Baldy), ca.1914 

View of Mount San Antonio (also known as Mount Baldy), viewed from the ridge across San Antonio Canyon, Los Angeles County, ca.1885 

The Sierra Madre Canyon and Mountains, ca.1895 

The Sierra Madre Mountains, east of Saugus, ca.1900 

View of Mount Baldy looking through a frame of trees, taken at Claremont, [s.d.] 

Pack train to Wilson Peak, Sierra Madre Trail, ca.1900 

Group of people on a mountain slope near a building looking toward Mount San Antonio, ca.1900 

Post-and-rail fence leading along a road toward Mount Shasta, ca.1900 

Mount Baldy, showing overlook on highway to Lake Arrowhead, California, ca.1950 

Sierra Madre Mountain forested slope, ca.1900 

Exterior view of Mount Palomar Observatory showing the dirt path leading to it, ca.1930-1940 

Desert scene in Riverside County, showing a smoke tree and mountains, ca.1903 

Unidentified path leading to a hill and large mountain, showing a silhouette in the background, [s.d.] 

Panoramic view of the Sierra Madre Ranch (fruit ranch) in the city of Monrovia, taken from Sierra Madre Heights, 1902