A river, about 185 km (115 mi) long, flowing southward from Lake Okanagan in southern British Columbia, Canada, to the Columbia River in north-central Washington.
Okanogan Sentence Examples
East of the Cascade Mountains the Columbia and Spokane rivers mark the boundary between the Okanogan Highlands to the northward and the Columbia plateau to the southward; The Okanogan Highlands, an outlier of the Rocky Mountains extending westward from the Coeur d'Alene Mountains in Idaho, reach heights of 5000 to 6000 ft.
In the eastern part of the Okanogan Highlands there is some western white pine, and here, too, larch is most abundant.
The principal Federal irrigation undertakings in 1910 were known as the " Okanogan project " and the " Yakima project."
The former (authorized in 1905) provided for the irrigation of about 10,000 acres in Okanogan county by means of two reservoirs of an aggregate area of 650 acres, main canals and main laterals 20 m.
The largest output of each of these ores in 1908 was in Stevens county; Ferry, King and Okanogan counties ranked next in the output of gold; Okanogan and Ferry counties in the output of silver; Okanogan in the output of copper; and King in the output of lead.