Erb, Louise B. books & textbook
The Bridger Pass Overland-Trail, 1862-1869: Through Colorado and Wyoming and Cross Roads at the Rawlins-Baggs Stage Road in Wyoming
Erb, Louise B. Brown, Ann B. Hughes, Gilberta B.
Erbgem Co /1991T Hardcover
isbn-10: 0962619310 / isbn-13: 9780962619311
