Friends of the Rivers of Virginia. PO Box 1750, Roanoke, VA 24008. Statewide coalition dedicated to protecting and restoring rivers of Virginia. Hawk Migration Association of North America. 377 Loomis Street, Southwick, MA 01077.
Volunteers keep records on migrations and publish newsletter.
Izaak Walton League of America, Inc., Virginia Division. 506 Stonegate Drive, Blacksburg, VA 24060. Dedicated to wise stewardship and preservation of land and resources. National Speleological Society. 2813 Cave Avenue, Huntsville, AL 35810-4431.