Foundations
were built out of locally available sandstone or limestone in the 19th century. About 80 percent of stone foundations
appeared up to 1900, as in this 
photo
that shows a sandstone foundation with red brick chimney and asbestos
siding from the 1920s-1930s.
Examine the
map of stone foundations
in Eau Claire.
Compare
this basement material with
reddish bricks.
