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.
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 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.
Forest fire prevention activities to ensure a continual supply of timber in California. Forest fire in the timber area of pine forest in California. Forest fire reduces and destroys forest productivity. Donkey engine with spark arresters are good devices to ensure losses against forest fire. Man cleans side or 'right-of-ways' of rail road. Oil powered locomotive carries tree logs. Written on the engine of the locomotive is, 'Pickering LBR Co'. Organized fire crews are stationed at strategic points to combat forest fires. Man with a shovel tries to extinguish the fire.
Man fells snag which is a source of 'spot fire'. Men dispose slash by piling it and burning it in winter. View of small area burned due to slash disposal. Logging roads and railroads serve as fire breaks. Truck drives down a logging road. Sign reads 'No Smoking'. Men throw lit cigars on forest ground that starts a fire. Man extinguishes fire by putting dirt over it with his shovel. Timber takes around 50-75 years to grow.
Importance of forest for wood supply and water for irrigation and health. Production film 'Good Turns for Our Forest'. View of America's forests of earlier years. View of dwindled American forest. View of a wood lumber processing mill with railroad trains hauling large timber to the mill. Forests provide wood supply to America and water for irrigation. River running through a forest. View of a dam with gates opened, for power generation. Children at a medical camp. Sign reads 'Children Open Air Preventorium 522 Chamber of Commerce Los Angeles California'. Children at the camp pose in a group standing on and near the camp entry fence. The children perform group calisthenic exercises. The boys and girls run and play around and on top of a small log cabin.
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