Government/Military antenna array?
This is in the Fort Custer Recreation Area. You can see it through the trees as you are driving back to the camp sites. The whole field is full of antenna.
The Barn Theater (1.57 mi / 2.52 km)
W.K. Kellogg Experimental Forest (2.60 mi / 4.19 km)
Galesburg Speedway (4.17 mi / 6.71 km)
Shafter Airport MI77 (4.64 mi / 7.47 km)
Echo Valley Winter Sports Park (6.15 mi / 9.89 km)
Town of Climax (6.20 mi / 9.97 km)
Wings Stadium (11.08 mi / 17.84 km)
Homer Stryker Field (11.54 mi / 18.56 km)
Checker Motors Company (12.06 mi / 19.41 km)
Kalamazoo Burdick Pedestrian Mall (12.53 mi / 20.16 km)