 Remember to know the signs of a heart attack. Check with your local physician if you have any of those issues. It's a message from local physicians, the American Medical Association, and AM 960 KLTF Little Falls. The grizzly bear is an iconic symbol of the American West. As many as 50,000 once roamed the western half of the United States, south of Canada. Today, their numbers have dwindled to about 1,600, isolated in the northern Rocky Mountains.