United States, Minnesota, Morrison, Camp Ripley Military Reservation. Camp Ripley Military Reservation. Morrison Co.; at the old Fort Ripley ruins; UTM: 393900E 5114300N T131N R29W SW1/4 of Camp Ripley Military Reservation. Morrison Co.; at the old Fort Ripley ruins; UTM: 393900E 5114300N T131N R29W SW1/4 of NE1/4 of Sec 7. 131N 29W 7