Are you planning to camp in Glacier National Park this summer? Better think ahead. Beginning March 15, reservations for the Fish Creek and St. Mary's campgrounds can be made up to three months in advance by calling 800/365-CAMP. Nightly fees will be $15 at both campgrounds, whether or not campers have a reservation. Write Glacier National Park, West Glacier, MT 59936, call 406/888-7800 or visit the park's Web page at http://www.nps.gov/glac.