Useful Links
Minnesota Historical Society
Rockford Area Historical Society
http://www.rockfordmnhistory.org
City of Greenfield, MN
http://www.ci.greenfield.mn.us
Lake Sarah
Minnesota Historical Society
Rockford Area Historical Society
http://www.rockfordmnhistory.org
City of Greenfield, MN
http://www.ci.greenfield.mn.us
Lake Sarah