Data and maps are the heart of the Keweenaw Time Traveler

Data and maps connected together make the Keweenaw Time Traveler a dynamic deep map. Learn more below. 

• About the Maps
• About the Datasets
• About Sharing Your Stories

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Data Available as of June 1, 2022

People:
Names of people listed in City Directories for Houghton County for the places and years listed below:

• 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​

​Names of people listed in U. S. Federal Census records for the following years:

• 1880, 1900, 1910, 1920, 1930, 1940

​Names of children and teachers listed in Calumet School Records from 1904–26
Names of Calumet & Hecla employees from employee cards dating about 1870-1930 

• The original archival documents can also be accessed individually at the Copper Miners Employee Card Database with our partners at the Michigan Tech Archives.

Maps:
Sanborn Fire Insurance Plans for:

• 1888, 1900, 1908, 1917, 1928, 1935, 1942, 1949

USGS Topographic Maps for: 

• 1915 (Portage Lake only), 1947, 1975

Nautical Charts covering the Keweenaw Waterway for: 

• 1865, 1912, 1924, 1964

Geologic Map from:

• 1995

Numerous other maps made by mining companies and municipal surveyors

Buildings:​
Millions of buildings can be found by exploring the maps. When a building appears on a Sanborn Fire Insurance map, all the information provided is also available by selecting the purple Places markers for each building. Also, addresses that appear in Sanborn maps can be found using the search bar.

Places:
Places included on the U.S. Geological Service's maps and named in the 1917 Polk Business Directory (the biggest year published) can be searched.