1989 Truck portage testing. According to the 1978 BWCAW Act: Nothing in this Act shall be deemed to require the termination of the existing operation of motor vehicles to assist in the transport of boats across the portages from Sucker Lake to Basswood Lake, from Fall Lake to Basswood Lake, and from Lake Vermilion to Trout Lake, during the period ending January 1, 1984. Following said date, unless the Secretary determines that there is no feasible non-motorized means of transporting boats across the portages to reach the lakes previously served by the portages listed above, he shall terminate all such motorized use of each portage listed above.