Geology, Hells Canyon National Recreation Area
Contributors: Wallowa-Whitman National Forest (Or.)
Series: R6-WAW-RG -- 096-91; R6-WAW-RG -- 096
Publisher: Wallowa-Whitman National Forest, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1991
Place of publication: [Baker City, OR]
Language: eng
Subjects: Geology -- Oregon -- Hells Canyon National Recreation Area; Geology -- Idaho -- Hells Canyon National Recreation Area; Hells Canyon National Recreation Area (Or. and Idaho) -- History
Notes: Shipping list no.: 91-249-P