Curated OER
Etc: Maps Etc: United States Forest Regions, 1901
A map from 1901 of the United States showing the forest regions, coded to show heavily forested and moderately forested areas. Areas of typical forest types are shown, including pine and hardwoods, spruce, birch, and maple in the...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Chestnut Blight, 1904 1922
A map of the United States from the U. S. Department of Agriculture (1923) showing the range of chestnut forests and extent of chestnut blight in the Northeast from 1904 to 1922.
Curated OER
Etc: Maps Etc: Westward March of the Great Pioneers and Explorers, 1911
A map of the United States showing the historic sea and land routes taken by famous explorers across North America, from the coastal explorations of Cabot and Corte Real in the Northeast, Ponce de Leon and Alvarez in Florida and the Gulf...