Biblio
“Boating Down The Colorado”. University Of Arizona Monthly 8 (No. 1). University Of Arizona Monthly.
. 1907. Douglass, AE_Boating Down the Colorado_1907.pdf (5.37 MB) . 1963. Washington, D.C. : U.S. Government Printing Office. Bill to Authorize, Construct and Maintain the Central Arizona Project.pdf (5.59 MB)
“Bristlecone Pine (Pinus Longaeva) In Relation To Environmental Factors And Soil Properties In East-Central Nevada”. Watershed Management. Watershed Management. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com.ezproxy1.library.arizona.edu/pqdweb?did=760211211&sid=4&Fmt=1&clientId=43922&RQT=309&VName=PQD.
. 1972. . 2004.