portolan-pipeline
United States county boundaries (3,221 polygons) from the FlatGeobuf project sample, derived from US Census Bureau TIGER data (US federal, public domain). Published in two cloud-native representations of the same features, the row based FlatGeobuf source for feature streaming and map rendering, and columnar GeoParquet for analytical column scans. Each carries its own file size and checksum.
License other. Provenance mirror.