Keith J. Halford , Ph.D.

U.S. Geological Survey

Keith Halford is a research hydrologist at the U.S. Geological Survey and has served as Hydrologist and Groundwater Specialist in California, Florida, and Nevada offices of the USGS since 1987. He wrested a Ph.D. in petroleum engineering from Louisiana State University. His areas of expertise are aquifer tests, borehole geophysics, geostatistics, groundwater simulation, and parameter estimation. Developing methods and software for modeling water levels to estimate drawdowns has been the focus of recent publications.

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