2015_0602 Hanging Rock IA-DRONE_034.JPG
DSC03828.jpg
DSC03831.jpg
DSC03845.jpg
DSC03851.jpg
DSC03983.jpg
Hanging Rock sandstone outcrop

Hanging Rock sandstone outcrop

Sandstone outcrop deposited nearly 500,000 years before present. 

Sandstone rock outcrop on Middle Raccoon River

Sandstone rock outcrop on Middle Raccoon River

DSC03954.jpg
hr clip.jpg