My dad had the fire in a barrel about six feet from the smoker. Smoke was brought in at ground level. I doubt the smokehouse ever got much more than 100 degrees. He always used green alder or vine maple. Smoked for seven days, although the fire often went out for hours at a time.

The end product was squaw candy, hard, salty, and smoky but would keep indefinitely.
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No huevos no pollo.