Along with a good rifle and a sturdy horse, this guidebook was essential for westward-bound pioneers. Originally published by the War Department, Capt. Marcy's manual offers life-or-death advice on choosing the best routes to California, food supplies, treating snakebites, fording rivers, and encountering Native Americans. 21 original illustrations. Reprint of the Harper and Brothers, New York, edition.
Here's a sample of other books in this Dover category
A Lady's Life in the Rocky Mountains by Isabella L. Bird Eloquent descriptions by a middle-aged Englishwoman — traveling alone in the Colorado Rockies during 1873 — of flora and fauna, isolated settlers, vigilance committees, lynchings, and other fascinating subjects.