Long story but actually slept in the airmen barracks when they were flying F-4 recon Phantoms.
If any one goes up on I-35 A: take Minn. 23 out of Hinckley, B: County Highway 61, (Old U.S. 61) out of Hinckley both are nice drives.
Duluth used to have wooden car bridges that crossed the rairoad tracks so you could get to the lift-bridge with a right-angle turn in it; I loved old Duluth and used to go out the airport USAF interceptor base and watch the F-106 aircraft scramble.
I/we used to camp up at Jay Cooke Park very , very often; sadly, have not been in the area since the big flood some years back.
Parents stayed at a big old school hotel down town when the Seaway opened in 1959l