"Map of the United States Showing Areas Surveyed on a Scale Suitable for the Purposes of the U.S. Geological Survey…", Powell, John Wesley

This map shows the progress of the United States geologic surveys through 1883. The primary focus is on the western states including Colorado, Utah, Nevada and California. The legend shows nine different surveying efforts, 7 of which were federal projects with the other 2 being the New Hampshire and New Jersey Geological Surveys. Included with the map is Powell's 72 pp. report, disbound.

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Condition: B+

Map is clean and bright with a fold separation that extends 0.75" beyond the neatline at top, minor damp stains in the top blank margin that extend just past the border along two folds, and a few ink smudges at far right.