Collection includes logbooks dating from 1925-1964.

Master's License for Vincent Cook, January 8, 1895, allowing him to pilot steam vessels in the Willamette District on the Columbia River between Portland and Cape Hancock.

Master's License for U.S. Merchant Marine Officer Frits S. Elfving, issued by the U. S. Coast Guard, August 29, 1960, allowing him to pilot steam or motor vessels on the Columbia River between Astoria and Point Ellice or Megler, Washington.

Master's License for Samuel Hadlock, March 20, 1902, allowing him to pilot steam vessels in the Willamette District on the Columbia River between Astoria and The Dalles and from Celilo Falls to the head of the Snake River.

Master's License for Francis Bedford Jones, 1883-1889, allowing him to pilot steam vessels in the Willamette District on the Columbia River between Portland and Astoria; Special Engineer's License for Francis Bedford Jones for steamer Clatsop Chief, September 9, 1886.

Master's License for Charles T. Kamm, January 7, 1884, allowing him to pilot steam vessels in the Willamette District on the Columbia River between Portland and Astoria.

Register of ships that traversed the Columbia River Bar between June 1898 and May 1906, including information about who piloted the ships, and on what dates the ships crossed the bar or reached Astoria, Oregon. The Oregon Provisional Legislature formed the Oregon Board of Pilot Commissioners in 1846 to regulate pilotage on the Columbia River.

Collection consists of a steamboat pilot's license for George Anson Pease, July 3, 1862, allowing him to pilot steam vessels in the First District on the Willamette and Columbia rivers, Vancouver to Eugene to St. Helens; manuscript reminiscences of Pease, 18 pages, circa 1861-1870, about his experiences steamboating on the lower Willamette from 1850-1861.

Arthur Riggs (1871-1941) was a river pilot on the Columbia, Snake and Willamette rivers. Collection includes correspondence, 1937-1940, with information on the development of shipping on the upper Columbia River; autobiographical journals; steamboat history notes prepared by Frank J. Smith; and logbooks.

Oath of License, John H. Wolf, for the steamer Wilson G. Hunt, Portland, Oregon, December 29, 1865; and first class pilot's licenses for John H. Wolf, 1860-1867, from the District of Oregon allowing him to pilot steamboats on the Columbia and Willamette rivers from Portland to Astoria.