BiblioVault may have an electronic file which would meet your requirements for this title:
Plantlore/Dena'ina K'et'una: An Ethnobotany of the Dena'ina People of Southcentral Alaska
Priscilla Russel Kari and Priscilla N. Russell
Paper: 978-1-60223-404-8
Electronic: 978-1-60223-405-5