This photograph album is from Luther's time working for Southern California Edison Co. during the Big Creek hydroelectric project between 1917 and 1920. The images depict work and leisure, with captions written by Luther.

Images related to SCE include powerhouse #1 and 2#, featuring General Electric & Westinghouse equipment furnished by Allis Chalmers Co. The photographs show transformers, station lights, power board, breaker board, exciter motor, condensers, power transformer cooling coils, switch rooms, and dams. There are a few photographs of other utility companies such as California Oregon Power Sys., Keno Power House, Pacific Gas & Electric Co. Newark Substation, and Idaho Power Company equipment.

The leisure photographs are interspersed with the images of electric utility facilities and equipment. Leisure photographs feature Luther's friends and family, including Harry Moore, his first wife Ruth Moore, and their son Edward Moore. Other people pictured include his sister Florence Spivy and friends L.R. Boyer, J.J. McDade, H.B. Smith, Earl Smith, Annie Smith, W.K. Miller (aka "Bones"), Beatrice Darak(?), Dora Darak(?), Evelyn Morey, Charles P. Beagle, Violet & Ruby, Jessie Sturges, Julia Walthour, Marion Robins, Dorothy Robins, "Jimmie "The Crumb" (Robbins), Z.P. Melcon (or perhaps Nelcon), his wife and daughter.

Places depicted are primarily in California: Huntington Lake, Kaiser Peak, Mammoth Pool, Jackass Rock, San Joaquin Bridge and River, Twin Peaks Yosemite, Starensen Creek Falls, Pittman Creek, Castaie Canyons, Eagle Rock, West Portal Yosemite Valley, and interiors and exteriors of Huntington Lake Lodge. There is a trip to Alabama, Idaho, and Utah.

There are few views of the Magundon switching station for Big Creek Lines and the San Joaquin & Eastern Railroad (SJ&E) tracks.