Map showing in five degrees of density the distribution of woodland within the territory of the United States, 1873. From Statistical atlas of the United States based on the results of the ninth census 1870 / Francis A. Walker. New York : Julius Bien, lith., 1874. In upper margin: Pl. III, Pl. America Transformed: Reflecting growing concerns for the nation's diminishing natural resources as a result of individual ownership and overconsumption during the first half of the 19th century, this statistical map depicts forest density at the time of the 1870 census. The most extensive woodlands


Map showing in five degrees of density the distribution of woodland within the territory of the United States, 1873. From Statistical atlas of the United States based on the results of the ninth census 1870 / Francis A. Walker. New York : Julius Bien, lith., 1874. In upper margin: Pl. III, Pl. America Transformed: Reflecting growing concerns for the nation's diminishing natural resources as a result of individual ownership and overconsumption during the first half of the 19th century, this statistical map depicts forest density at the time of the 1870 census. The most extensive woodlands were in the East, along the northern Pacific Coast, and in the northern Rocky Mountains. Outside these forested areas were the grasslands of the Great Plains and the semi-arid scrub lands of the Southwest. Much of the East, which was originally very heavily forested, had less than 20-35 percent of the acreage in woodland after extensive , United States


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