↑ Wolff, Fritz E.; Brookshier, Matthew I.; Norman, David K. (2008), INACTIVE AND ABANDONED MINE LANDS — Boundary Red Mountain Mine, Mt. Baker Mining District, Whatcom County, Washington (PDF) , Washington State Department of Natural Resources, Information Circular 99
↑ Wolff, Fritz E.; McKay, Donald T.; Brookshier, Matthew I.; Norman, David K. (2005), INACTIVE AND ABANDONED MINE LANDS — Lone Jack Mine, Mt. Baker Mining District, Whatcom County, Washington (PDF) , Washington State Department of Natural Resources, Information Circular 98