Plow digging cable ditches in California, United States, 1945
Photograph. Workers using plow attached to tractor to dig cable ditches. "Rome, 6/9/45--Plow digs cable ditches--Speeding installation of a war-urgent telephone line between Los Angeles and San Diego in the U.S. state of California is this specially designed rooter that plows cross-country, digging a deep ditch for the cable. This huge machine, towed by two big diesel tractors, precedes a cable trailer which lays the line in place and a bull-dozer that does the cover-up work. The rooter, which was designed and built by Post Brothers, Santa Ana, California, is 35 feet (11 meters) long, 10 feet (3 meters) high, 12 feet wide and weights 15 tons.--FF Photo--Serviced by Rome OWI--Approved by appropriate military authority. 6533-4 (A List out)." California, United States. 1945