Redlining Maps from the Home Owners Loan Corporation, 1937
Data and Resources
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Mapping Inequality WebsiteHTML
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Pittsburgh Area Description ImagesZIP
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Pittsburgh HOLC Map ImageJPEG
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Pittsburgh GeoJSONGeoJSON
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Pittsburgh ShapefileZIP
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Pittsburgh Georectified ImageZIP
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Altoona Area Description ImagesZIP
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Altoona HOLC Map ImageJPEG
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Altoona GeoJSONGeoJSON
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Altoona ShapefileZIP
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Altoona Georectified ImageZIP
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Erie Area Description ImagesZIP
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Erie HOLC Map ImageJPEG
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Erie GeoJSONGeoJSON
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Erie ShapefileZIP
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Erie Georectified ImageZIP
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Johnstown Area Description ImagesZIP
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Johnstown HOLC Map ImageJPEG
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Johnstown GeoJSONGeoJSON
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Johnstown ShapefileZIP
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Johnstown Georectified ImageZIP
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New Castle Area Description ImageZIP
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New Castle HOLC Map ImageJPEG
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New Castle GeoJSONGeoJSON
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New Castle ShapefileZIP
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New Castle Georectified ImageZIP
Additional Info
Field | Value |
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Public Access Level Comment | |
Temporal Coverage | 1937 |
Geographic Unit | Neighborhood |
Data Notes | If you are citing Mapping Inequality or acknowledge the source of any of the following data, we recommend the following format using the Chicago Manual of Style. Robert K. Nelson, LaDale Winling, Richard Marciano, Nathan Connolly, et al., “Mapping Inequality,” American Panorama, ed. Robert K. Nelson and Edward L. Ayers, https://dsl.richmond.edu/panorama/redlining/[YOUR VIEW]. All of the scans of the HOLC maps are in public domain, with the vast majority coming from the National Archives. All of Mapping Inequality's spatial, textual, and other data are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The collective spatial data, including area descriptions transcriptions, is available in Shapefile and GeoJSON formats. Data for individual cities in Western Pennsylvania is available on the WPRDC, and the data was downloaded from the Mapping Inequality Website on June 9, 2020. The GeoJSON spatial data includes transcriptions of the area descriptions of the city if they are available. |
Related Document(s) | |
Frequency - Data Change | Not Updated (Historical Only) |
Frequency - Publishing | Not Updated (Historical Only) |
Data Steward | Bob Gradeck |
Data Steward Email | Bob Gradeck |