, Color photograph, derived from a slide transparency, of Willies Hand Cart on the Oregon Trail in ..., , This file is derived from a 720 dpi, high-resolution (24-bit color) uncompressed TIFF image, that...,
, Color photograph, derived from a slide transparency, of Willies Hand Cart on the Oregon Trail in ..., , This file is derived from a 720 dpi, high-resolution (24-bit color) uncompressed TIFF image, that...,
, Color photograph, derived from a slide transparency, of Carved Names along the Oregon Trail in Na..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
, Color photograph, derived from a slide transparency, of Carved Names along the Oregon Trail in Na..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
, Color photograph, derived from a slide transparency, of Carved Names along the Oregon Trail in Na..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
, Color photograph, derived from a slide transparency, of Carved Names along the Oregon Trail in Na..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
, Color photograph, derived from a slide transparency, of Carved Names along the Oregon Trail in Na..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
, Color photograph, derived from a slide transparency, of Carved Names along the Oregon Trail in Na..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
, Black and white photograph of the Lander Trail located approximately 1/2 mile from where the trai..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of Lander Trail in Lincoln County, Wyoming. Located approx. 1/2 mile f..., , This file is derived from a 720 high-resolution (3382 x 2656 ppi, 8-bit grayscale) uncompressed T...,
, Black and white photograph of the Lander Trail in Lincoln County, Wyoming. The trail is located i..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of the Lander Trail in Lincoln County, Wyoming. The trail is located i..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of the Lander Trail in Lincoln County, Wyoming. The trail is located i..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of the Lander Trail in Lincoln County, Wyoming. The trail is located i..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of the Lander Trail in Lincoln County, Wyoming. The trail is located i..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of a Bozeman Trail Segment in Converse County, Wyoming. Located on the..., , Image/jpeg
This file is derived from a 720 high-resolution (3319 x 2614 ppi, 8-bit grayscale) unc...,
, Black and white photograph of the Oregon Trail at Rocky Ridge located approximately 20 miles east..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
, Black and white photograph of the Oregon Trail at Rocky Ridge located approximately 20 miles east..., , This file is derived from a 600 dpi, high-resolution (3340 x 2765 ppi, 8-bit grayscale) uncompres...,
