Release snapshot: USA geometry 1.3.5
The retained ecological-region source editions are from 2013.
Publisher U.S. Environmental Protection Agency, Level IV ecoregions
The Full release retains 2020 source editions for the administrative spine and postal areas; the Admin2 history sidechain has unknown starts.
Publisher U.S. Census Bureau, Admin2 historical source
The retained Indigenous lands and regions family includes a corrected 2023 cartographic source edition.
Publisher U.S. Census Bureau
The retained families include 2025 source editions across several Census products and NWS zones.
Publisher U.S. Census Bureau, County subdivisions, Places, Statistical areas, Electoral districts, School districts, NWS public zones, NWS fire zones
The retained Full release includes 2026 successor editions for selected electoral, Indigenous, land-management, protected-area, school-district, watershed, and weather-zone families.
Publisher U.S. Census Bureau, Electoral districts, Land-management regions and protected areas, Watersheds, NWS public zones, NWS fire zones