Johnson Motors: Your St. Croix Falls Buick & Chevrolet DealerLocated in St. Croix Falls, Johnson Motors is proud to be your Osceola and Amery area Buick and Chevrolet dealership of choice. Located at 2180 US Hwy 8 East, our dealership is an excellent choice if you're looking for a Frederic Buick and Chevrolet dealer but aren't finding what you need locally.