Dinosaur Diamond Prehistoric Highway - Riggs Commemorative Plaque
Summary
The original finding aid described this photograph as:
Original Caption: This plaque commemorates Riggs Hill and the discoveries made there.
Location: Near Grand Junction, Colorado
Status: Public domain. Greg Gnesios
Digital Photographs Relating to America's Byways
Tags
Date
1995 - 2013
Source
The U.S. National Archives
Copyright info
No known copyright restrictions