Ice spear fishing associations: Minnesota Darkhouse & Angling Association (est. 1986, http://www.mndarkhouse.org/), Michigan Darkhouse Angling Association (est. 2002, http://www.midarkhouse.org), National Fish Decoy Association Incorporated (est. 2000, http://www.nfdadecoys.org), Great Lakes Fish Decoy Carvers & Collectors Association http;//www.glfda.com (est. 1989), and American Fish Decoy Association (est. 1990)
