American Geographical Society of New YorkGeoJSON index map of polygons using the OpenIndexMaps 1.0 schema. Complex geometry including inset maps (Multipolygon) and multiple editions of some sheets. Download links are provided for each sheet, record links to index map on GitHub.GeoJSON050-b A-1:1,000,000ark:77981/gmgscj87k49American Geographical Society of New YorkPublicTopographyMillionth Map of Hispanic AmericaMapsLatin AmericaCentral AmericaSouth America1922-1962American Geographical Society Library – UWM Libraries