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General Information

  • Title: Map databases and a synthesis engine for constructing geologic maps of the United States
  • Author(s): Johnstone, S.A., Colgan, J.P., Roe, W.P., Barrette, N.C., Campos, J.-M., Hirtz, J.A.M., and Platt, B.W.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Data Report 1210 and data releases
  • Publication Date: 2025
  • Map Scale: 1:500,000
  • Cross Section: None
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Additional Resources

  • Suggested Citation:
    - Earth surface geodatabase — Colgan, J.P., Johnstone, S.A., Campos, J.-M., Platt, B.W, Hirtz, J.A.M., Barrette, N.C., and Roe, W.P., 2025, Cooperative National Geologic Map—Earth’s surface geology: U.S. Geological Survey data release, scale 1:500,000, https://doi.org/10.5066/P146VGVM.
    - Quaternary geodatabase — Barrette, N.C., Johnstone, S.A., Campos, J.-M., Colgan J.P., and Roe, W.P., 2025, Cooperative National Geologic Map—Quaternary geology: U.S. Geological Survey data release, scale 1:1,000,000, https://doi.org/10.5066/P16SJAC6.
    - Pre-Quaternary geodatabase — Platt, B.W., Colgan, J.P., Hirtz, J.A.M., Johnstone, S.A., Campos, J.-M., and Roe, W.P., 2025, Cooperative National Geologic Map—Pre-Quaternary geology: U.S. Geological Survey data release, scale 1:500,000, https://doi.org/10.5066/P147SGSS.
    - Precambrian geodatabase — Hirtz, J.A.M., Colgan, J.P., Platt, B.W., Johnstone, S.A., and Roe, W.P., 2025, Cooperative National Geologic Map—Precambrian geology: U.S. Geological Survey data release, scale 1:1,000,000, https://doi.org/10.5066/P13TSV2J.
    - Entire geospatial database — Johnstone, S.A., Colgan, J.P., and Roe, W.P., 2025, Geospatial database for the cooperative national geologic maps: U.S. Geological Survey data release, scale 1:500,000, https://doi.org/10.5066/P1DC4XFG.
    - Data Report — Johnstone, S.A., Colgan, J.P., and Roe, W.P., A synthesis engine for constructing geologic maps of the United States, U.S. Geological Survey Data Report 1210, 36 p., https://doi.org/10.3133/dr1210.
  • For more information, please contact:
  • U.S. Geological Survey
  • USGS Information Services
  • Box 25286
  • Denver, CO 80225
  • Phone:   (303) 202-4700 or 1-888-ASK-USGS
  • Fax:   (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.

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