West Okanogan Valley Irrigation Project.
Contributors: Great Northern Railway Company (U.S.); Pacific Northwest History Collection.
Publisher: Great Northern Railway
Published: 1921
Place of publication: [St. Paul? Minn.]
Language: eng
Subjects: Irrigation -- Washington (State) -- Okanogan County; Okanogan County (Wash.) -- Description and travel
Notes: Cover title.

Issued by Great Northern Railway.

WSU MASC copy is: 002-120874649.