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Geological Survey (U.S.)

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Map showing condition and progress of astronomic location, primary triangulation, primary traverse and spirit leveling : for the fiscal year 1899-1900
Map showing condition and progress of astronomic location, primary triangulation, primary traverse and spirit leveling : for the fiscal year 1899-1900

Progress map of topographic and geologic surveys: 1879-1900
Progress map of topographic and geologic surveys: 1879-1900

United States base map
United States base map

Map showing condition and progress of astronomic location, primary triangulation, primary traverse and precise leveling, for the fiscal year 1898-99.
Map showing condition and progress of astronomic location, primary triangulation, primary traverse and precise leveling, for the fiscal year 1898-99.

Yosemite National Park Jigsaw Puzzle : Yosemite-Bridalveil to Half Dome
Yosemite National Park Jigsaw Puzzle : Yosemite-Bridalveil to Half Dome

Topographic map of Mesa Verde National Park, Montezuma County, Colorado
Topographic map of Mesa Verde National Park, Montezuma County, Colorado

Map of Bighorn Forest Reserve, Wyoming, showing distribution of woodland, 1898
Map of Bighorn Forest Reserve, Wyoming, showing distribution of woodland, 1898

Map of Priest River Forest Reserve, showing land classification and density of merchantable timber
Map of Priest River Forest Reserve, showing land classification and density of merchantable timber

Map of Priest River Forest Reserve, showing the distribution of the principal timber species
Map of Priest River Forest Reserve, showing the distribution of the principal timber species

Map of the cordilleran region showing the distribution of woods and forests
Map of the cordilleran region showing the distribution of woods and forests