Relief shown by contours, hachures, and spot heights.; "Map no. 21441."; Includes text and index map., 25 x 50 centimeters
Creator
United States. Bureau of Reclamation
Publisher
Bureau of Reclamation (Washington, D.C)
Date Issued
1925
Rights
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United States. Bureau of Reclamation (1925). Umatilla Irrigation Project, Oregon. Bureau of Reclamation (Washington, D.C). https://umedia.lib.umn.edu/item/p16022coll230:2453 (map)