Hundreds of pigeons flock about a large coop on a pigeon ranch near the Los Angeles River 

Massive bird coop covered in pigeons on a pigeon ranch on the Los Angeles River, ca.1900 

Three large bird coops covered in pigeons on a pigeon ranch on the Los Angeles River, ca.1900 

Pigeons in the Los Angeles River on a pigeon ranch, ca.1900 

View of a pigeon ranch along the Los Angeles River near the Riverside Bridge at the junction of Verdugo Road and San Fernando Road, ca.1905 

Feeding time at an alligator farm (possibly the California Alligator Farm, Los Angeles), ca.1900 

Thirteen horse-drawn plows on Van Nuys grain ranch, ca.1900 

Looking east from the Bright Angel Trail near the Colorado River, Grand Canyon, ca.1900-1930 

Combine harvester on a Van Nuys Ranch, ca.1890-1900 

Steam threshing beans on the Centinela Ranch 

Harvesters at work on a Van Nuys ranch, San Fernando Valley, ca.1898 

Bean threshing operation on the Centinela Ranch, 1903 

A uniformed man feeding an alligator at an alligator farm (possibly the California Alligator Farm, Los Angeles), ca.1900 

Lee's old ranch at Lee's Ferry on the upper Colorado River, junction of Marble Canyon and Glen Canyon, 1900-1930 

Goat herd owned by Tule River Indians, Tule River Indian Reservation, near Porterville, ca.1900 

Cattle grazing in the open near a small stream on the Santa Margarita cattle ranch in San Diego County, 1900 

Combine Harvesting on the Newhall Ranch 

Young alligators in their pen at an alligator farm (possibly the California Alligator Farm) 

Dirt road near hop fields, [s.d.] 

Herd of cattle grazing on the Santa Margarita Ranch, San Diego County