Historical Marker
"Red Stone Boulder"
Historical marker location:
105 East Coolbaugh Street, Red Oak, Iowa
( Marker is at the intersection of Coolbaugh Street and 2nd Street, on the left when traveling east on Coolbaugh Street.)
The town of Fort Atkinson, Iowa was established in 1840 as a military outpost to protect the Winnebago Indians from hostile neighboring tribes. It was the first military post west of the Mississippi River.