, Color photograph, derived from a slide, of an Oregon Trail Marker in Goshen County, Wyoming. Loca..., , Image/jpeg
This file is derived from a 720 dpi, high-resolution (24-bit color) uncompressed TIFF ...,
, Color photograph, derived from a slide transparency, of the Oregon Trail Marker in Platte County,..., , Image/jpeg
JPEG, Size: 2092752 bytes
This file is derived from a 1,000 dpi, high-resolution (24-b...,
, Color photograph, derived from a slide transparency, of an Oregon Trail Marker in Platte County, ..., , Image/jpeg
This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIF...,
, Color photograph, derived from a slide transparency, of an Oregon Trail Marker in Platte County, ..., , 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 an Oregon Trail Marker and Information Si..., , Image/jpeg
This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIF...,
, Black and white photograph of the Oregon Trail Marker #21 "To the Pioneers Buried on the Tom Sun ..., , Image/jpeg
This file is derived from a 720 high-resolution (3382 x 2635 ppi, 8-bit grayscale) unc...,
, Black and white photograph of the Oregon Trail Marker #17 and the Pony Express Marker#21 in Conve..., , Image/jpeg
JPEG, Size: 2092752 bytes
This file is derived from a 720 high-resolution (3340 x 2614...,
, Black and white photograph of the Oregon Trail in Goshen County, Wyoming. Located at the Chamber ..., , Image/jpeg
This file is derived from a 720 high-resolution (3340 x 2635 ppi, 8-bit grayscale) unc...,
, Black and white photograph of the Oregon Trail Marker (Devils Gate) #14 in Natrona County, Wyomin..., , Image/jpeg
This file is derived from a 720 high-resolution (3382 x 2635 ppi, 8-bit grayscale) unc...,
, Black and white photograph of the Oregon Trail Marker, (first white man's cabin in Wyoming.) #22 ..., , Image/jpeg
JPEG, Size: 2092752 bytes
This file is derived from a 720 high-resolution (3361 x 2635...,
, Black and white photograph of the Oregon Trail Marker (Independence Rock) in Natrona County, Wyom..., , Image/jpeg
This file is derived from a 720 high-resolution (3361 x 2635 ppi, 8-bit grayscale) unc...,
, Black and white photograph of the Oregon Trail Marker Red Buttes #20 in Natrona County, Wyoming l..., , image/jpeg
This file is derived from a 720 high-resolution (3340 x 2635 ppi, 8-bit grayscale) unc...,
, Black and white photograph of the Oregon Trail Monument in Goshen County, Wyoming. Located in fro..., , This file is derived from a 720 high-resolution (3319 x 2635 ppi, 8-bit grayscale) uncompressed T...,
, Black and white photograph of the Oregon Trail Monument #11 in Goshen County, Wyoming. The view i..., , This file is derived from a 720 high-resolution (3340 x 2614 ppi, 8-bit grayscale) uncompressed T...,
, Black and white photograph of the Oregon Trail Monument #10 in Lincoln County, Wyoming. The view ..., , This file is derived from a 720 high-resolution (3382 x 2635 ppi, 8-bit grayscale) uncompressed T...,
, Black and white photograph of the Oregon Trail Monument #10 in Goshen County, Wyoming. The view i..., , This file is derived from a 720 high-resolution (3382 x 2635 ppi, 8-bit grayscale) uncompressed T...,
, Color photograph, derived from a slide, of an Oregon Trail Monument in Goshen County, Wyoming., , 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 an Oregon Trail Monument in Platte County..., , This file is derived from a 720 dpi, high-resolution (24-bit color) uncompressed TIFF image, that...,
, Black and white photograph of the Oregon Trail Monument and an OCTA Monument to the Alvah Unthank..., , This file is derived from a 720 high-resolution (3340 x 2635 ppi, 8-bit grayscale) uncompressed T...,
, Color photograph, derived from a slide transparency, of the Oregon Trail Pacific Springs Marker i..., , This file is derived from a 1,000 dpi, high-resolution (24-bit color) uncompressed TIFF image, th...,
