This book is written by Lynn M. Alex and describes Iowa's archaeological past. The contents of this book connect to the following Chronological Eras: Three Worlds Meet (Beginning to 1620) Colonization and Settlement (1585-1763) This resource can be used with the following standards to further develop lessons: Kindergarten K.14 Environment, 2nd grade SS 2.24 Natural Resources, SS-Geo. 9-12.24 Iowans Influence Iowa Environment.