Expeditions & surveys; Railroad surveys; Canyons; Grand Coulee (Wash.)
"The Grand Coulee is about ten miles wide where it opens on the Columbia River at its northern end, which is a hundred feet above the water, and gradually widens toward the south; its walls, eight hundred feet high are formed of solid basaltic...
The train of the Red River hunters consisting "of 824 carts, about 1,200 animals, and 1,300 persons, men, women, and children." The encampment is formed by making "a circular or square yard of the carts, placed side by side with the...