Relief shown by contours and spot heights. "Including Boulder River Wilderness." "Willamette meridian." "R6 04/17." Includes text, color illustrations, recreation site and trail information, location map, and index to topographic maps. Shipping list no.: 2017-0280-P.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.