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|All Authors / Contributors:||
Valeen Tippetts Avery; Debra L Sutphen; United States. National Park Service.
"Report submitted, June 1, 1990."
At head of title: Cooperative agreement.
"Cooperative agreement #80001-8-0002."
|Description:||65 leaves : ill. : 28 cm.|
|Responsibility:||principle [sic] investigator, Valeen T. Avery ; author, Debra Sutphen ; sponsored by the U.S. Department of the Interior, National Park Service.|