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+"United States USA" +1931 stock footage and images
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African American farmers seated on the porch of a house, talk and laugh in the United States.
African American farmers in the southern United States. Cows and hens outside a farm house. A farmer seated under a tree. African American woman comes out of the house and calls the man. The man stands up and walks away. The farmers seated on the porch of the house talking. The farmers laugh. An old man seated in a rocking chair. Other African Americans seated on the floor laugh.
African American farmers listen as an African American man plays piano and sings a song in the United States.
African American farmers in the southern United States. An African American man plays piano and sings a song. African American farmers and a woman sit on chairs and a sofa, and listen. Some of them sing the spiritual gospel music. Closer views of the African American man singing and playing the piano.
Construction of diversion tunnels and Hoover Dam being built in the United States.
Construction of the Hoover Dam in the United States. Civil engineers at the dam site. Views of dam site, and reclamation engineers rush towards the dam site for investigation. Engineers remove rock by placing dynamite. The construction underway. Explosions rise. Views of four diversion tunnels, two on each side (the Nevada side and Arizona side). Front end loader remove dirt and load onto dump truck. Engineers wok in the tunnel. Engineers climb rope suspended from the canyon wall. In November 1932, the Colorado river is diverted. Trucks carry construction material and engineers at work during construction of the dam. Clip is from a production narrated in 1962.
Timber growing and logging industry of California
View of pine forest in California. People of California consider their forest 'inexhaustible'. The lumber industry has grown. Two bulls pull tree logs. The lumber industry of America employs 30000 people and annually produces wood products of $75,000,000. Wood processing mill, in middle of a pine forest.
Timber cutting activities and cut trees in the timber area in California
Men cut trees in timber area. Timber cutting activities move towards new areas as the timber in the old area exhaust. The motto is 'Skin er Clean'. View of cut trees. View of exhausted timber area.
Methods to protect timber areas like selective and careful logging operations ensure future wood supply in California.
Methods to protect timber areas from getting exhausted for future need. Selective and careful logging operations ensure future wood supply. Men cut tree with axe in pine forest of California. To keep the timber land productive, smaller trees and young plants are protected and matured trees cut. High lead logging and ground lead logging. View of timber activity area. High wheel vehicle and tractor pulls tree logs. Trees restock the ground as advance reproduction is destroyed. Man replants trees.