got 4 pages of search results in Google images (20 thumbnail images per page)
http://images.google.ca/images?hl=en...ogle.ca/images ?hl=e n&lr=lang_en&ie=UTF-8&oe=UTF-8&safe=off&q=maps&as_q=%22Colorado+River%22&btnG=S earch%C2%A0within%C2%A0results
Perhaps one of those has the kind of map you were wanting to take a look at. Good luck.
****
powdercoat
Edit: link won't work so you'll have to highlight copy and paste in a new browser window ... that does work just tried it myself. Sorry for the messy URL.
[ June 29, 2003, 05:52 PM: Message edited by: FMluvswaterbabe ]