Madison County photo credits

ChainOfRocksBridge StLouisMO.jpg
David Hinkson, http://www.trailnet.org/ — Public domain

Alton Chapter House.jpg
Nyttend — Public domain

Alton Military Prison remains.jpg
Nyttend — Public domain

Alton National Cemetery.jpg
Nyttend — Public domain

Berleman House front.jpg
Nyttend — Public domain

Collinsville City Hall and Fire Station.jpg
Nyttend — Public domain