ⓘ NOTICE:
The records of the Spatial Data Repository (SDR) will be migrating to NYU's UltraViolet repository in summer 2026. During this migration, access to the SDR will continue. At the conclusion of the migration SDR contents will be available only on UltraViolet. For questions or concerns, please reach out to Data Services at data.services@nyu.edu.
This polygon shapefile contains the state boundaries of Brazil in 1991. These data were created using a custom World Polyconic projection. This layer is part of the Evolução da divisão territorial do Brasil 1872 - 2010 dataset, a collection of data representing the evolution of Brazilian states, municipalities and cities. This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data. Instituto Brasileiro de Geografia e Estatística. (2011). State Boundaries: Brasil, 1991. IBGE. Available at: http://purl.stanford.edu/ys298mq8577. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.