An ad in the Elk County Advocate (January 1866) gives us an idea of the technology available to sawyers and oil drillers.

For sale! Stationary and portable engines with new patent piston, complete for saw mills or boring for oil. -ALSO- Portable saw mills with two rotary saws rigged for sawing any sized logs. ALSO-DRIVING PIPE, manufactured in Sandusky, Ohio and delivered at any station on the rail road cheaper and better than can be furnished by eastern manufacturers. For further information, address by letter the subscriber at Ridgway, PO, Elk Co., Pa., or in person at Spring Creek, on the Clarion River.  Wm. Q. Swarts, Agent.