Crowfoot Ridge in the southern Gallatin Range, as viewed from the road along the Gallatin River near the northwest corner of the park. Yellowstone National Park, Wyoming. 1970.

Album caption and index card: Crowfoot Ridge in the southern Gallatin Range, as viewed from the road along the Gallatin River near the northwest corner of Yellowstone National Park. The rocks, chiefly Paleozoic limestone, sandstone, and shale, were deposited in broad shallow seas that covered all of the Yellowstone region several hundred million years ago. The original layers were horizontal, but they have since been tilted and broken by giant mountain-building forces originating deep within the earth. Yellowstone National Park, Wyoming. 1970. Published as Figure 9 in U.S. Geological Survey. Bulletin 1347. 1971.