Old Wyoming Topographic Maps

Rocky Mountains Wyoming - Bien 1876 - 23 x 33.87
Oregon Trail Wyoming 3 of 7 - Fremont 1846 - 23 x 35.55
Oregon Trail Wyoming 4 of 7 - Fremont 1846 - 23 x 34.50
Colorado Rocky Mountains Wyoming - King 1876 - 23 x 34.58
Casper Wyoming Quad - USGS 1962 - 23 x 29.32
Cheyenne Wyoming Colorado Nebraska Quad - USGS 1966 - 23 x 32