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This collection of photographs reflects 100 years of public service by the U.S. Geological Survey since its founding on March 3, 1879: "... for the classification of the public lands, and examination of the geological structure, mineral resources, and products of the national domain."
Suggested Citation
Yochelson, E.L., Nelson, C., 1979, Images of the U.S. Geological Survey, 1879-1979, 57 p., https://doi.org/10.3133/70039523.