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|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
Michael F Anderson; Valeen Tippetts Avery; United States. National Park Service.
|Notes:||"Short title of work: Bass Trails research study."
"Sponsored by the U.S. Department of the Interior, National Park Service cooperative agreement ..."
"Historic resource study, Grand Canyon National Park."--Cover.
|Description:||iii, 148 leaves, 2 leaves of plates : ill., maps ; 28 cm.|
|Other Titles:||Bass Trails research study
Historic resource study, Grand Canyon National Park.
|Responsibility:||Valeen T. Avery, principal investigator ; Michael F. Anderson, author.|