38431
Bridges, Katherine, Sturgeon, Polly R.
2018
SPG05-2018
Indiana Geological Survey, 2018, Geologic story of Turkey Run State Park: Indiana Geological Survey State Park Guide 05-2018.
2018 update to the Indiana Geological and Water Survey State Park Guide 05: Turkey Run State Park
Marker lat / long: 39.883462, -87.199276 (WGS84)