Several years ago, I came across an online version of a book with the title which appears in this subject heading.
While you're waiting for the road to open, perhaps you would like to learn a bit about its history:
http://www.yosemite.ca.us/library/tioga_road/title.html
P.S. You can see all of the titles in the Yosemite Online Library if you go to:
http://www.yosemite.ca.us/library/
Post Edited (04-27-08 16:56)
THE YOSEMITE POST
Voice of the Rocky Marmot Empire