National Map Services
Topographic and national basemap service references for elevation and mapping prototypes.
A prototype research tool for indexing public geospatial APIs, inspecting endpoint metadata, and testing discovery workflows for civic, infrastructure, mapping, and public-data systems.
These are starter public-data endpoints and catalog examples for discovery workflow design. Validate licensing, rate limits, access terms, and data quality before operational use.
Topographic and national basemap service references for elevation and mapping prototypes.
Flood hazard service references useful for public hazard-layer discovery and validation workflows.
State open geospatial catalog references for parcels, imagery, transport, and statewide datasets.
The original prototype included local browser fallback data plus a Node/SQLite backend for persisted stars, queued discovery searches, fingerprinting, and candidate promotion. This labs page preserves the concept under the correct organizational domain.