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Land Acquisition and Dispossession: Mapping the Homestead Act, 1863-1912

Year-by-year maps of homesteading claims and the dispossession of Native Americans.
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Not Even Past: Social Vulnerability and the Legacy of Redlining

Juxtaposing contemporary public health data with 1930s redlining maps reveals one of the legacies of urban racial segregation.
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Electing the House of Representatives

A series of interactive maps showing the results of nearly two centuries of congressional elections.
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Renewing Inequality

An interactive set of maps documenting the more than 300,000 families displaced by urban renewal projects between 1955 and 1966.
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The Executive Abroad

An interactive depiction of more than a century's worth of foreign travel by U.S. presidents and secretaries of state.
Redlining map for Decatur, Illinois
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Mapping Inequality: Redlining in New Deal America

In the 1930s, the federal government created redlining maps for almost every major U.S. city. Explore those maps and their contexts in a brand new version of this project.
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The Forced Migration of Enslaved People

An interactive set of maps and narratives of the forced migration of approximately 850,000 enslaved people from 1810-1860.
Interactive map of the U.S. Overland Trails, 1840 to 1860, showing cross-country migration routes.
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The Overland Trails 1840-1860

An interactive map of overland trails that settlers followed on their western journeys.
Interactive map (above) and graph (below) showing the canals of the American Mid-Atlantic and Northeast, 1820 to 1860.
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Canals 1820-1890

An interactive map of U.S. canals in the first half of the 19th century.
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Foreign Born Population 1850-2010

An interactive map of immigrant populations in the United States.