Grand Ledge

Grand Ledge Area Historical Society

http://www.gdledgehistsoc.org/history-clay.html

History of Grand Ledge Shale and Clay Operations

http://www.geo.msu.edu/geo333/shale_and_clay.html

Fitzgerald Park

http://www.eatoncounty.org/Parks/FitzgeraldPark.htm

Lincoln Brick Park

http://www.eatoncounty.org/Parks/LincolnBrickPark.htm

Pictured Rocks

National Lakeshore Map

http://data2.itc.nps.gov/parks/piro/ppMaps/PIROmap%2Epdf

National Park Service, Pictured Rocks
http://www.nps.gov/piro/

Marquette Area

Ishpeming's Jasper Knob, by Walt Vogtmann http://www.cfmsinc.org/Newsletter/News1999/awards99/aa.htm#2

Sugarloaf mountain website

http://www.geocities.com/chathammi/sugarloafmtn.html

 

Keweenaw Penninsula

National Park Service, Keweenaw

http://www.nps.gov/kewe/

Horseshoe Harbor NC preserve

http://nature.org/wherewework/northamerica/states/michigan/preserves/art5241.html