Grand Canyon Monitoring and Research Center

Discharge, Sediment, and Water Quality Monitoring

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For Additional Information
For additional information, please contact
Project Chief
  • David Topping
    • USGS Southwest Biological Science Center
    • Grand Canyon Monitoring Research Center
    • Contact dtopping@usgs.gov or (928)556-7396
Database Designer/Programmer
  • Brad Garner
    • USGS Water Mission Area
Website Design and Programming
Terms of Use

The data presented in this website are collected and processed using standard USGS protocols and other established peer-reviewed methods, and subject to rigorous quality control. Nevertheless, minor edits of these data are possible.

The data are released on the condition that neither the USGS nor the U.S. Government may be held liable for any damages resulting from its authorized or unauthorized use.

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Grand Canyon Monitoring & Research Center | 2255 North Gemini Drive Flagstaff, AZ 86001 | Phone: 928.556.7380 Fax: 928.556.7100

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