Wikimedi'Òc

Mansonimpact.jpg - Miraceti

Landforms of Iowa.jpg - File Upload Bot (Magnus Manske)

Iowabedrock.jpg - File Upload Bot (Magnus Manske)

Midcontinent Rift map.PNG - Bettymnz4

USGS Decorah crater.jpg - OgreBot

Barringer Slough Iowa.jpg - BD2412

Decorah crater.jpg - Vkil

Paha distribution.jpg - Nitaweek

Paha distribution wide.jpg - Nitaweek

Paha distribution in Iowa.jpg - Nitaweek

Decorah area geology.png - NGPezz