Pennington County Black Hills National Forest 1N-2E-1
1941: The lookout was constructed by the Civilian Conservation Corps using native stone for the first floor base and wood construction for the observation cab. ("IMAGES OF AMERICA BLACK HILLS NATIONAL FOREST Harney Peak and the Historic Lookout Towers" by Jan Cerney and Roberta Sago - Arcadia Publishing 2011)
April 28, 1952: "William A. Reman began his duties Monday at the Flag Mountain lookout in the Rochford district." (Lead Daily Call)
All that remains of the structure is the lower part of the rock wall of the base. Down a short path can be found the laced log design outhouse.