The Palouse River was first named Drewyers River by Lewis and Clark in honor of George Drouillard a civilian member of the expedition which arrived in this area on Oct. 13, 1805. Throughout the Lewis and Clark journals "Drewyer", as his name was . . . — — Map (db m311813) HM
Raging Ice Age floodwaters carved spectacular features throughout eastern Washington, creating unique landscapes. Follow the path of the floods and discover more about this amazing story.
Path of Least Resistance
As floodwaters rushed . . . — — Map (db m83044)
You're looking at two millions years of time!
When Ice Age floodwaters poured through Palouse Canyon, they carved their way through layes of ancient basalt. The earliest floods uncovered the youngest basalt flows in this area, which are . . . — — Map (db m311811) HM
You are standing in the pathway of some of the largest floods ever known. They carved steep-walled canyons, sculpted immense waterfalls, and left behind landscapes found nowhere else on earth.
Massive Glacial Dams and Lakes
During the . . . — — Map (db m83019)
Located by
Capt. John Mullan
1858 = 1862
Pyramid Erected By
Mullan Road Assn
Tablet Furnished by
Washington State
Historical Society
1929 — — Map (db m311812) HM
Geologist J Harlen Bretz spent decades meticulously documenting evidence to support his theory that massive Ice Age floods carved the Channeled Scabland of eastern Washington. But the geologic community only ridiculed and scorned his work ... until . . . — — Map (db m83025) HM
Construction: 1859-1862 Here the historic Mullan Road crosses Washington State Highway 26. The Mullan Road stretched 624 miles from Fort Walla Walla in Washington to Fort Benton, Montana. Originally planned as a military highway, the Mullan . . . — — Map (db m305947) HM
Long before the Ice Age floods could carve the coulees, waterfalls, and cliffs that dominate this landscape, basalt was needed, and in huge quantities! Vents from deep in the earth’s crust supplied the basalt, erupting again and again to cover much . . . — — Map (db m83023)
Welcome to Palouse Falls, Washington's official state waterfall. Behind this designation by the state legislature is a story of how local students with a vision created state law - and made state history.
Waterfall Facts Palouse Falls is . . . — — Map (db m129494) HM
Before the Ice Age floods, no stream or waterfall existed here. Instead, the Palouse River flowed through Washtucna Coulee. What caused the river to jump its course?
When the floods surged across the area, they cut a path through the fractured . . . — — Map (db m83021)
Washtucna Sheriff's Office/Jail
Est. 1880's
Outhouse
Deluxe model, 2 holer seater and used well during the days
Donated by: Unknown — — Map (db m303174) HM
