New Items and Member Services Isle Royale Wolf/Moose study website Home | About Us | Shop Online | New Items | Upcoming | Join IRNHA | Check Out   Isle Royale Natural History Association 800 East Lakeshore Drive Houghton, Michigan 49931 Office hours: 8 a.m.-4:30 p.m. (EST), Monday-Friday Call TOLL-FREE (800) 678-6925 or (906) 482-7860   Comments or questions? irnha@irnha.org Last modified: March 23, 2010