Oregon Trail books at Browsers Uncommon Books, updated 09October2012
Route of the Oregon Trail in Idaho. [Boise]: Idaho Dept. of Highways, in Cooperation with the U.S. Dept. of Transportation, Federal Highway Administration, Bureau of Public Roads, 1963. Print. First Edition. 32 page pamphlet. This copy available by mail order http://www.browsersuncommonbooks.com/?page=shop/flypage&product_id=3269
The Oregon Trail Through Wyoming by Mary Hurlburt Scott. Author's inscription laid in. Was taped in but is now loose.