Mark Hafkenschiel No description specified. 1-6 (6 Records) Documents Harrison Pits King Res (1986) Lion Canyon Pipeline (1987) Little Hills Winter Fence (1986) Sprague Pit 3 E Stewart Pits (1986) West Shutta Pits, Rio Blanco County, Colorado (1988) Wray Gulch-Horse Ridge Pits, Blacks Gulch Allotment, Rio Blanco County, Colorado (1988)