Historic Districts
Illinois - Mason County
Mason County Illinois has 4 places on the National Register of Historic Places including 2 places of National significance. Significant places include Clear Lake Site and Rockwell Mound, Havana Public Library, Havana Water Tower.

Prehistoric cultural affiliation(s) include Mississippian, Early Woodland, Middle Woodland, Hopewell and Havanna Tradition dating back to 499 BC.

Some of the country's most noteable architects helped create the Mason County places including C.E. Hair, F.W. Raider, Deal and Ginzel and Guido Jaeger. Prominent architectural styles found in Mason Country are Classical Revival.

Clear Lake Site (added 1978 - - #78001171)
Address Restricted , Manito
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Historic Significance:
Information Potential
Area of Significance:
Prehistoric
Cultural Affiliation:
Mississippian, Early Woodland
Period of Significance:
499-0 BC, 499-0 AD, 1499-1000 AD, 1000-500 AD
Owner:
State, Private
Historic Function:
Domestic
Historic Sub-function:
Village Site
Current Function:
Landscape
Current Sub-function:
Park, Unoccupied Land
Havana Public Library (added 1994 - - #94000014)
201 W. Adams St. , Havana
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Historic Significance:
Event
Area of Significance:
Education, Social History
Period of Significance:
1925-1949, 1900-1924
Owner:
Local
Historic Function:
Education, Social
Historic Sub-function:
Library, Meeting Hall
Current Function:
Education
Current Sub-function:
Library
More Information:
Havana Water Tower (added 1993 - - #93000325)
Also known as Old Havana Water Tower
Jct. of Pearl and Main Sts., NE corner , Havana
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Historic Significance:
Event
Area of Significance:
Community Planning And Development
Period of Significance:
1925-1949, 1900-1924, 1875-1899
Owner:
Local
Historic Function:
Government
Historic Sub-function:
Public Works
Current Function:
Government, Vacant/Not In Use
Current Sub-function:
Public Works
More Information:
Rockwell Mound (added 1987 - - #87000679)
Address Restricted , Havana
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Historic Significance:
Information Potential, Architecture/Engineering
Architectural Style:
No Style Listed
Area of Significance:
Prehistoric
Cultural Affiliation:
Middle Woodland, Hopewell, Havanna Tradition
Period of Significance:
499-0 BC, 499-0 AD
Owner:
Local
Historic Function:
Funerary
Historic Sub-function:
Mortuary
Current Function:
Landscape
Current Sub-function:
Park
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