United States. Navy Department., & Howison, N. M. (1848). Oregon: Report of Lieut. Neil M. Howison, United States Navy, to the commander of the Pacific Squadron; being the result of an examination in the year 1846 of the coast, harbors, rivers, soil, productions, climate, and population of the territory of Oregon. February 29, 1848. Ordered to be printed .. [n.p.: Tippin & Streeper, Printers.

United States. Navy Department., and Neil M. Howison. Oregon: Report of Lieut. Neil M. Howison, United States Navy, to the Commander of the Pacific Squadron; Being the Result of an Examination in the Year 1846 of the Coast, Harbors, Rivers, Soil, Productions, Climate, and Population of the Territory of Oregon. February 29, 1848. Ordered to Be Printed .. [n.p.: Tippin & Streeper, Printers, 1848.

United States. Navy Department., and Neil M. Howison. Oregon: Report of Lieut. Neil M. Howison, United States Navy, to the Commander of the Pacific Squadron; Being the Result of an Examination in the Year 1846 of the Coast, Harbors, Rivers, Soil, Productions, Climate, and Population of the Territory of Oregon. February 29, 1848. Ordered to Be Printed .. [n.p.: Tippin & Streeper, Printers, 1848.