Iowa Highway 220 (Iowa 220) is a short state highway through the Amana Colonies in east-central Iowa.
Secretary of State for the Colonies | Thirteen Colonies | Secretary of State for War and the Colonies | Twelve Colonies | Thirteen colonies | thirteen colonies | Mormon colonies in Mexico | Under-Secretary of State for the Colonies | Shown above as a result of a 7 week period where the columns have been allowed to grow algae, cyanobacteria and other bacterial colonies. Of specific interest are the red regions of the middle column, indicative of purple non-sulfur bacteria (e.g. ''Rhodospirillaceae | Destruction of the Twelve Colonies | Amana Colonies |