3738852 Irrigation pumping plant being developed by the Farm Security Administration Rural Rehabilitation Program in California, 1938 (b/w photo) by Lange, Dorothea (1895-1965); Private Collection; (add.info.: This pumping plant for irrigation is powered by a natural gas engine which operates on cost of about 1/2 the cost of electricity, Tulare County, California. Butane (natural gas in tanks) as a source of power on small farms is being developed by the Farm Security Administration Rural Rehabilitation Program in Tulare, Kern, San Luis Obispo and Santa Barbara Counties, California); American, out of copyright.