NMLP P-035588 · Point of issue · minted 2026-07-09

Exploration of the Colorado River of the West and Its Tributaries

John Wesley Powell · Government Printing Office (Washington), published under direction of the Secretary of the Smithsonian Institution · 1875

Washington: GPO, 1875, quarto, collating xi and 291 pages, with two large folding sheets at the rear -- the "Green River from the Union Pacific Railroad to the Mouth of White River" map and a companion river profile, not present in every copy as issued -- plus 80 wood-engraved illustrations numbered 1 to 80 in the text, printed on roughly 72 plates since several plates carry more than one numbered figure

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New Mexico Literacy Project — Point of issue NMLP P-035588 for "Exploration of the Colorado River of the West and Its Tributaries" by John Wesley Powell (https://newmexicoliteracyproject.org/id/point/p-035588, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).