BiblioVault may have an electronic file which would meet your requirements for this title:
The Geology, Ecology, and Human History of the San Luis Valley
Jared Maxwell Beeton, Charles Nicholas Saenz and Benjamin James Waddell
Paper: 978-1-64642-041-4
Cloth: 978-1-64642-039-1
Electronic: 978-1-64642-040-7