Historic roadside turnout, paved - North side of the highway. 'In Memoriam - In the summer of 1837 an American Fur Trading Company steamboat laden with trade goods made its way from St. Louis to Fort Union. Smallpox broke out among the crew, but the boat continued to its destination. Contact with the steamboats crew during the distribution of trade goods exposed the .. Assinnoboine, starting a terrible epidemic which eventually affected all of the tribes of what is now northeastern Montana.' City of Glasgow to Montana/North Dakota State Line Welcome to Montana! From the wondrous geological features of Yellowstone to the majesty of Glacier, Montana\'s National Parks inspire and astound. The famous Lewis and Clark Expedition crossed Montana in 1805 and then again in 1806. Montana offers Rafting, hiking, hot springing, fly fishing, horseback riding, rock climbing, mountain biking, skiing hunting and more.