Robert K. Nelson

Year-by-year maps of homesteading claims and the dispossession of Native Americans.

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

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

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

An interactive depiction of more than a century's worth of foreign travel by U.S. presidents and secretaries of state.

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.

An interactive set of maps and narratives of the forced migration of approximately 850,000 enslaved people from 1810-1860.

An interactive map of overland trails that settlers followed on their western journeys.

An interactive map of U.S. canals in the first half of the 19th century.

An interactive map of immigrant populations in the United States.