The prominent monolith across the river was named Beacon Rock by Lewis and Clark, November 2, 1805. It marked the beginning of tidewater for early river explorers who used it for a landmark in their journeys. The Indians say that when the Chinook . . . — — Map (db m34643) HM
Migrating fish are attracted to large flows of water coming from the Bonneville Dam. To take advantage of this natural reaction, fish-collection facilities are placed along the face of the powerhouse and at each end of the spillway dam. These . . . — — Map (db m92686) HM
Although steel has been made for centuries, it wasnt until the Bessemer process was introduced in the 1870s that it could be produced in quantity.
The Bridge of the Gods mural is the creation of Larry Kangas, of Beaverton, . . . — — Map (db m112267) HM
Thousands of Oregon Trail emigrant passed this way toward new lives in a place Abigail Scot, emigrant of 1852, called the "Garden of the World" The Willamette Valley was nearly 2,000 miles from Missouri, and by the time emigrants reached this . . . — — Map (db m158539) HM
Construction of the Columbia River Highway begun here in 1912
Funds were contributed by Simon Benson Labor was performed by honor men detailed by Governor Oswald West — — Map (db m292156) HM
Using the suns energy, the chlorophyll in a plants leaves produce sugars and starches that nourish the plant.
Shafts of light dance briefly through this deep canyon, illuminating shade-tolerant ferns, mosses, and lichens . . . — — Map (db m112252) HM
The US Department of Agriculture describes cedar as possessing a natural resistance to rot
It is well recognized for its longevity and strength above other wood products.
Oneonta Bluff presented an obstacle to engineer Samuel C. . . . — — Map (db m112251) HM
"The first locomotive ever run over the first railroad ever built in the state of Oregon"
Early travel on the Oregon Trail was extremely dangerous. The last 100 miles of the journey westward from The Dalles to the Willamette . . . — — Map (db m158538) HM
Sturgeon range throughout the Columbia River system, however the construction of Bonneville Dam and the other dams upstream blocked sturgeon migration. Sturgeon, unlike salmon, do not use fish ladders. Sturgeon below Bonneville Dam travel up and . . . — — Map (db m92687) HM
