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USGS Geologic Map

Free

USGS State Geologic Map Compilation for Colorado surface geology and lithology.

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No key required. Included on Free.

What you can ask

  • “What does USGS Geologic Map have for the area or asset I'm working on?”
  • “Pull the most recent USGS Geologic Map records and put them in a table.”
  • “What does USGS Geologic Map cover, and how fresh is the data?”

About this source

Geologic units, age, lithology, formation, and rock type by bounding box inside the live USGS SGMC Colorado envelope.

Connector ID usgs-geology

Provenance

PublisherUSGS SGMC with Macrostrat fallback
Sourcehttps://mrdata.usgs.gov/geology/state/
API basehttps://mrdata.usgs.gov/wfs/sgmc
Docshttps://mrdata.usgs.gov/wfs/sgmc

Freshness & coverage

FreshnessStatic
GeographicColorado SGMC bounding-box envelope
TemporalNot declared
AuthenticationNo credentials required

Caveats

  • ⚠ The live SGMC WFS is Colorado-scoped despite the historical national product name.
  • ⚠ Bounding-box queries fail closed outside xmin -109.1 to -102 and ymin 36.9 to 41.1.

› Methods (1)

Technical detail for developers: parameters, pagination, units, and freshness per method.

  • queryGeologyInBbox

    read

    Get up to 50 mapped geologic units in a WGS84 bounding box inside the Colorado SGMC envelope.

    Required paramsxminyminxmaxymax
    Entitiesgeologic-unit
    Paginationnone
    CRSEPSG:4326
    FreshnessStatic (source-level)
    • ⚠ Fails closed outside the live SGMC WFS published envelope.