BiblioVault may have an electronic file which would meet your requirements for this title:
The Prehistory of Morro Bay: Central California's Overlooked Estuary
Terry L. Jones, Deborah A. Jones, William R. Hildebrandt, Kacey Hadick and Patricia Mikkelsen
Paper: 978-1-60781-706-2
Electronic: 978-1-60781-707-9