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Hydro 21 Presentations

Hydro 21 committee members regularly present the results of the committee's status and ongoing research at USGS meetings and related professional conferences. The presentations below are just a sample.

Please note: All presentations are in Adobe PDF and require Adobe Reader to view. File size is indicated in parentheses.

Hydro-21 Committee: An update of activities (6.6 MB)
by R.T. Cheng at Hydroacoustics Workshop, Tampa, Florida June 14-18, 1999

Ground-Penetrating Radar Methods Used In Surface-Water Discharge Measurements (6.4 MB)
by F.P. Haeni, Marc L. Buursink, John E. Costa, Nick B. Melcher, Ralph T. Cheng, & William J. Plant at Ground-Penetrating Radar (GPR) 2000

Hydro 21 Update (600 KB)
John E. Costa at New & Evolving Concepts in Indirect Discharge Measurements, May 10, 2001, Front Royal, Virginia

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