Some of Powell's party in boats in Canyon of Lodore,
Green River. Dinosaur National Monument Moffat County, Colorado. 1871.
USGS Earth Science Photographic Archive digital files: hjk00590 and hjk0590a
The URL is: https://gotbooks.miracosta.edu/gonp/3Dcanyons/pages/dino16.htm
Last modified: 2/14/2004