Data Available

Addresses:
Address information for all buildings that appear on Sanborn maps between 1888–1949, and today.

People:
Names of people listed in City Directories from:
  • Calumet 1900, 1917, 1928, 1942
  • Dollar Bay 1917, 1925, 1942
  • Hancock 1888, 1900, 1907, 1917, 1928, 1942
  • Houghton 1888, 1900, 1908, 1917, 1928
  • ​Hubbell 1917, 1928
  • ​Lake Linden 1900, 1917, 1928
  • Laurium 1900, 1917, 1942​

Maps:
Sanborn Fire Insurance Plans for the following years:
1888, 1900, 1908, 1917, 1928, 1935, 1942, 1949
USGS Topographic Maps: 1940s
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Places:
Search over 1000 unique historic and modern places around the Keweenaw

​The Explore App is constantly growing. Interested in what you can find, start the app below.  

 In Progress

 U.S. Census records 1910–1940
  • Possible more info 
Calumet School Records
  • health statistics blog post jan 22nd 
C&H Employee Records
  • LINK to CLIR blog post jan 8th 
Stats to date
Other Helpful Resources