Public domain
Mt. Abram[s], Ouray-Silverton toll road, Colo.
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineMt. Abram[s], Ouray-Silverton toll road, Colo.. 1900-01-01. Detroit Publishing Co., Jackson, William Henry. Detroit Publishing Company Collection, Library of Congress. Public domain.