. Bulletin. Forests and forestry -- United States. FOREST INSECTS. 73 quantities, often living for months on little else, and sheep are destructive in the same way. Hogs also find a living in the forest, but they are less harmful, because a large part of their food consists of seeds and nuts. East of the Great Plains very large numbers of cattle and hogs are turned into the woods, but sheei^ grazing in the forest is most widely developed in the West, and especially in California, where it should be. Fig. 67.—Larch trees killed by the larva of a small eawfly. The land has just been lumbered for
. Bulletin. Forests and forestry -- United States. FOREST INSECTS. 73 quantities, often living for months on little else, and sheep are destructive in the same way. Hogs also find a living in the forest, but they are less harmful, because a large part of their food consists of seeds and nuts. East of the Great Plains very large numbers of cattle and hogs are turned into the woods, but sheei^ grazing in the forest is most widely developed in the West, and especially in California, where it should be. Fig. 67.—Larch trees killed by the larva of a small eawfly. The land has just been lumbered for Spruce. Adirondack Mountains, ^ew York. prevented altogether, in (3regon and Washington, where it should be regulated and restricted, and in some interior regions, like Wyoming and Kew iVIexico, where it should be rigidly excluded from all steep mountain regions, and carefully regulated on more level ground. FOREST INSECTS. Insects are constantly injuring the forest, just as year by year they bring loss to the farm. Occasionally their. 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.
Size: 1926px × 1298px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookpublisherwashingtongpo, booksubjectforestsandforestryunited