Provenance
PublisherUSGS Geologic Map
Freshness & coverage
FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required
Methods (2)
queryGeologyAtPoint
readqueryGeologyInBbox
read
All data sources
USGS Geologic Map
Unknown authusgs-geologyUSGS State Geologic Map Compilation (SGMC) - national geologic map data. Query lithology, formation names, rock types, and geologic age at a point or within a bounding box from the USGS ArcGIS REST service. CRITICAL USAGE RULES: 1. No authentication required 2. Use queryGeologyAtPoint() for geology at a specific point 3. Use queryGeologyInBbox() for regional geology mapping 4. Returns USGS-mapped surface geologic units