Parish-level census boundaries, from the Instituto Geografico Militar and available for download via Tufts. Search for additional Ecuadorian datasets at GeoData@Tufts.
Mexico's official statistical agency distributes spatial data for a fee, though elevation data is available free of charge with registration (see the USGS for instructions in English.)
State boundaries, place names, geographic coordinates of urban and metropolitan places, and elevation data for more than 700 urban places, with 1990 census data.
Geo-referenced yearly data at the municipal level on homicides reported in death certificates from 2006 to 2011. The certificates are issued by local offices of the Attorney General's Office.
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