50,000 Silver Dollar Campground in Haugan, MT is a great place to spend a night along I-90. The friendly staff at the gift shop, which is loved by kids, is knowledgeable about the area. Guests can enjoy delicious milkshakes and fill up on groceries and water. The campground offers free camping with free electric hookups, and some spots have 50 amp service on a first-come, first-served basis....