Iowa Meteorite Crater: Long-Hidden 'Decorah Impact Structure' Revealed By Aerial Imaging

This meteor became a scratching meteorite!

http://www.huffingtonpost.com/2013/03/07/iowa-meteorite-crater-decorah-impact-structure_n_2821871.html?utm_hp_ref=mostpopular

Sketches from scratches:  http://Woohs.blogspot.com