Many housing laws and practices of the 1900s are known to have been racially charged, including segregating and concentrating poverty across the country and urban cores.

Mapping Inequality, a new interactive platform, sheds light on the foundation of redlining practices. Using Home Owners' Loan Corporation maps created during the Great Depression, the University of Richmond reveals the economic and social effects of the disgraced government sanctions.

The portal contains around 150 of these HOLC maps in interactive form—the largest digital collection yet. It also includes 5,000 descriptions of neighborhoods, making clear the “interlocking color-lines, racial groups, and environmental risks” that the appraisers saw in cities. (These descriptions are, however, not yet available for every single map.)

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