Haven't been to Indian Valley, but have seen the sign from M-37. I've only camped at State Parks and State Rec. Areas so far - unless you count 2-1/2 weeks in my sister's driveway while redecorating her bathroom
Lots of trees being cut down all over the state due to Emerald Ash Borer . . . even in the interstate rest areas. They were cutting down trees like crazy while I was at Mitchell last month. A lot of the trees died a year or two ago, so they're already dry enough to use as free fire wood. Was able to use some while staying at Sleepy Hollow last year. Unfortunately, it will take a long time before the replacements grow big enough to provide us with shade.
Hope you continue to enjoy your new rig. Happy Camping!