HELP US END MASS INCARCERATION The Prison Policy Initiative uses research, advocacy, and organizing to dismantle mass incarceration. We’ve been in this movement for 23 years, thanks to individual donors like you.

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New Prison Proliferation map by Rose Heyer

Our long-time GIS Analyst, Rose Heyer, has a two-page color map, "The American Archipelago: U.S. Prison Proliferation 1900-2004 published in a new book Warfare in the American Homeland edited by Joy James. The new map updates her earlier map, U.S. Prison Proliferation 1900-2000.

by Peter Wagner, July 16, 2007

book thumbnailOur long-time GIS Analyst, Rose Heyer, has a two-page color map, “The American Archipelago: U.S. Prison Proliferation 1900-2004 published in a new book Warfare in the American Homeland edited by Joy James. The new map updates her earlier map, U.S. Prison Proliferation 1900-2000.



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