Get a few miles closer, and it's starting to become clear that this isn't a big AM directional array. (Which is good, because our maps say the nearest AM is twenty miles away.) It's actually two FM towers and a TV. From east to west (left to right in this view), you're looking at:
Google Maps has a nice aerial view of the site.
Copyright 2009, Garrett Wollman. All rights reserved. Photograph taken 2009-09-23.