In 1949, the U.S. Army Corps of Engineers included this map of their Main Control Plan in a “review of reports on, and preliminary examinations …

Oregon History Project

Columbia City is on the west/left bank of the Columbia River about thirty miles northwest of Portland and two miles north of St. Helens, …

Oregon Encyclopedia

This painting shows the Columbia Rediviva heeling to the side as it approaches a squall. It was painted in 1793 by amateur artist George Davidson, …

Oregon History Project

In the end, the significance of the Lewis and Clark Expedition and its personnel is an open and contested matter. Those who find it preeminently …

Oregon History Project

The Columbia Region Association of Governments (CRAG) was the regional planning agency for Multnomah, Washington, Clackamas counties of Oregon and Clark County, Washington, from 1966 …

Oregon Encyclopedia

The River For more than ten millennia, the Columbia River has been the most important and intensively used part of Oregon’s natural landscape. The river’s main …

Oregon Encyclopedia

The extensive, dangerous bar channel at the entrance to the Columbia River has a worldwide reputation among seamen as the "graveyard of the Pacific." Ever …

Oregon Encyclopedia

The Columbia River Fishermen's Beneficial Aid Society was organized on August 16, 1875; it was incorporated on March 3, 1876. The Society’s main purposes were …

Oregon Encyclopedia

This undated photograph of two men standing on the deck of a stationary fish wheel was taken by Benjamin A. Gifford, a professional photographer working …

Oregon History Project

This map, sketched by explorer Captain William Clark in early November 1805, shows the Columbia River between the Cascade Rapids and Sauvie Island — which Clark …

Oregon History Project