Dave left school after the eighth grade to learn log driving before leaving home to work as a timber cruiser for International Paper Company.
[4] He learned from the river drivers how to build a soft mattress of fir boughs to keep his bedding dry above the moist ground or snow.
[5] In 1929 Dave Jackson was employed as a Maine game warden assigned to live and work out of a small 255-square-foot (24-square-meter) cabin on Umsaskis Lake on the upper Allagash River.
[8] Many of the men working in the logging camps were French Canadians unfamiliar with Maine laws, unable to read English, and accustomed to animal trapping and hunting for food.
[18] Warden Jackson retired in 1952; and began spending winters near their daughter while her husband was stationed at Eglin Air Force Base.
He and his wife spent their final years living near their daughter's family in Fort Walton Beach, Florida where he died in 1978.