. Bulletin. Forests and forestry -- United States. 70 A PRIMER OF FORESTRY. and certain to be followed by the formation of tor- rents. The danger is greatest when the soil has been laid bare by the browsing and the hoofs of grazing animals, among which sheep and goats are especially destructive, or where the forest floor has been burned Fig. 45.—Destruction by flood. North Carolina. When these conditions are both present, as in parts of the Sierra Nevada Mountains of California, of the Cascade Range in Oregon, and in many other parts of the West, the prosperity of the valleys is in
. Bulletin. Forests and forestry -- United States. 70 A PRIMER OF FORESTRY. and certain to be followed by the formation of tor- rents. The danger is greatest when the soil has been laid bare by the browsing and the hoofs of grazing animals, among which sheep and goats are especially destructive, or where the forest floor has been burned Fig. 45.—Destruction by flood. North Carolina. When these conditions are both present, as in parts of the Sierra Nevada Mountains of California, of the Cascade Range in Oregon, and in many other parts of the West, the prosperity of the valleys is in serious danger. Fire and overgrazing on the moun- tains combine to endanger the future water supply of irrigated or irrigable areas in the valleys Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Division of Forestry. Washington : G. P. O.
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