PO Box 381, Houghton, MI, 49931 (current address)
1000 Bluff View Dr, Houghton, MI, 49931 (2013 - 2018)
22142 Ridge Rd, Houghton, MI, 49931 (2000 - 2014)
22142 Ridge Rd, Houghton, MI, 49931 (2013 - 2014)
PO Box 49, Houghton, MI, 49931 (1992 - 2001)
PO Box 49, Houghton, MI, 49931 (1992)
PO Box 39, Houghton, MI, 49931 (1984 - 1992)