2. DiDonato, Guy. "Big Dams and Park Resources: Water Management in the Colorado River Basin." Web.
http://www.georgewright.org/1114didonato.pdf
3. McPherson, Robert. "Colorado River." Web. http://historytogo.utah.gov/utah_chapters/the_land/coloradoriver.html
4. Youngs, Yolonda. "Colorado River." Web.
http://grandcanyonhistory.clas.asu.edu/history_coloradoriver.html
5. http://www.defendthecolorado.org/solutions
No comments:
Post a Comment