U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: Base flow as an indicator of drought occurrence
  • Author(s): Hanson, R.L.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Water-Supply Paper 2330 [p. 115-129]
  • Larger Work: Selected papers in the hydrologic sciences, 1987
  • Publication Date: 1988
  • Map Scale: 1:1,340,000
  • Cross Section: None
  • Find more maps in this area with mapView
  • Corrections to this entry?
* See base map disclaimer below

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

Order Contact Icon

U.S. Geological Survey

Additional Resources

  • Links and Downloads:
  • View the publication from the USGS Publications Warehouse
  • This Product is available from the USGS Store
    If you have further questions about how to acquire the product, 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.

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Wed 27 Aug 2025 06:27:36 PM MDT