This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Report of an exploration of parts of Wyoming Idaho and Montana in August and September BHL. Report of an exploration of parts of Wyoming Idaho and Montana in August and September by Lieut Gen Sheridan commanding the Military division of the Missouri with the itinerary of Col Jas Gregory and geological and botanical report by Forwood