SILURIAN REEFS IN THE FIELD
R
ock outcrops form the basis for the science of Geology. After giving an overview of how geologists collect data from rock outcrops, these pages present an account of five reef localities in Wisconsin and Illinois
Geologic fieldwork
Grafton, Wisconsin
Wauwatosa, Wisconsin
Milwaukee County Stadium, Wisconsin
Racine, Wisconsin
Thornton, Illinois
© 1997,
Milwaukee Public Museum, Inc.