Bill Schustrom, Glacier National Park ranger-naturalist, will give a PowerPoint presentation titled “The Great Northern Railroad and Glacier National Park: A Unique Relationship” at 1:30 p.m. Tuesday, March 1, at the Bigfork Community Center, 639 Commerce St., across from Bigfork Elementary School.

Sponsored by the Bigfork Area Senior Citizen Association, the presentation is free and the public is invited.

For more information, call the center at 837-4157. Leave a message if necessary.