BiblioVault may have an electronic file which would meet your requirements for this title:
The Mechanics of Optimism: Mining Companies, Technology, and the Hot Spring Gold Rush, Montana Territory, 1864-1868
Jeffrey J. Safford
Paper: 978-1-60732-101-9
Cloth: 978-0-87081-782-3
Electronic: 978-1-60732-102-6