Abstract
Aerial photographs have been used to locate the eastern portion of the Oregon Trail, one of the earliest and most frequently used routes west. The section discussed is the section between Independence, Missouri and Fort Laramie, Wyoming. Establishment of the location of the trail resulted from historical knowledge of the approximate whereabouts. Primary sources of the route were diaries of travellers, oral information, original township land plats, and other previously published sources. Source of the aerial photographs is discussed together with photographic requirements for the study of old roads. The photographs used to identify the Laramie road are organized geographically and are classified by the author in terms of the road visibility on the prints,

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