United States. Congress. House. Committee on Appropriations, ProQuest (Firm), & United States. Department of the Interior. (1870). Exploration of Colorado River. Letter from the Secretary of the Interior transmitting an estimate of appropriations to prosecute to completion the geological and topographical exploration of the Colorado River and its tributaries. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Appropriations, ProQuest (Firm), and United States. Department of the Interior. Exploration of Colorado River. Letter from the Secretary of the Interior Transmitting an Estimate of Appropriations to Prosecute to Completion the Geological and Topographical Exploration of the Colorado River and Its Tributaries. Washington: [publisher not identified], 1870.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Appropriations, et al. Exploration of Colorado River. Letter from the Secretary of the Interior Transmitting an Estimate of Appropriations to Prosecute to Completion the Geological and Topographical Exploration of the Colorado River and Its Tributaries. [publisher not identified], 1870.