BiblioVault may have an electronic file which would meet your requirements for this title:
Troubadour on the Road to Gold: William B. Lorton's 1849 Journal to California
LeRoy Johnson, Jean Johnson and Richard L Saunders
Paper: 978-1-60781-779-6
Cloth: 978-1-60781-778-9
Electronic: 978-1-60781-780-2