GEOSCIENCE Support Services, Inc.

Chief Reviewer for the American Society of Civil Engineers (ASCE) Manual on Well Hydraulics.  Coordinating author-reviewer for two chapters of the Manual, "Hydraulics of Gravel Pack" and "Hydraulics of Well Screen."  2002/2003.

Author "Ground Water Pumping Methods" in the Encyclopedia of Water Science.  2002.

Natural Recharge in the Cadiz Area, San Bernardino County, California.  Paper presented at and published in the Symposium Proceedings of the Natural Recharge of Groundwater Symposium, sponsored by the Arizona Hydrological Society, Arizona Department of Water Resources, Salt River Project, U.S. Water Conservation Laboratory, of USDA-ARS, and U.S. Geological Survey.  June 2000, Tempe, Arizona.  Presentation on the methods used to determine a range of recharge estimates for the Fenner Basin.

The Cadiz Groundwater Storage and Dry-Year Supply Program.  Paper presented at the Annual Fall Conference California-Nevada Section of the AWWA. October 1999, San Diego, California.  Paper presented at the Innovations in Artificial Recharge Conference, Association of Ground Water Agencies, American Ground Water Trust. May 2000, Ontario, California.  Presentation of Pilot Recharge test results of the Cadiz project, a Metropolitan Water District Recharge and Recovery Program involving storage and retrieval of up to 150,000 acre-ft/yr via a 30 mile pipeline from the Colorado River Aqueduct.

Field and Laboratory Research on Well Rehabilitation.  Paper presented at the Water Well Maintenance and Rehabilitation Seminar, California-Nevada Section of the AWWA.  May 1999.

Well Rehabilitation: Is It Time? Is It Worth It?  Paper presented at AWWA CA-NV 26-May-99 Lakewood, California (also at AWWA Stockton May 1998) Presentation on the many facets of water well rehabilitation and an overview of why rehabilitation should be considered, what types of rehabilitation methods are available, and how to decide if rehabilitation is an appropriate step in any given situation.

Corrosion Field Test of Steels Commonly Used in Well Casing and Screen.  Paper presented at AWWA CA-NV 27-May-99 Lakewood, California.

Training Seminar on Basic Geohydrology.  Presented to the Los Angeles Regional Water Quality Control Board. July 1997.

Modern Techniques in Ground Water Management.  Paper presented at the AWWA Annual Conference, 1997, Atlanta, GA.

International Study On Relining. 84 Case Studies.  1997.  Paper prepared for court testimony in international arbitration.  Unpublished until case is resolved.

Seminar on Ground Water Development.  Presented to the Government of Vietnam, Hanoi, Vietnam.  March 1996.

Pilot-Scale Field Test to Determine Pathogen Removal Beneath an Artificial Recharge Basin.  Paper ASCE International Symposium On Artificial Recharge Of Ground Water, July 17-22, 1994.

Sea-Water Intrusion into Pleistocene Aquifers in the Dominguez Gap Area of Southern California.  South Coast Geological Society, Fall 1992.

Author of five chapters of Handbook of Ground Water Development.  Published by John Wiley and Sons, New York. January 1990.  (author of Chapters: Ground Water Movement, Hydraulics of Wells, Well and Aquifer Evaluation from Pumping Tests, Ground Water Management, Artificial Recharge).

Ground Water Modeling in the Orange County Area.  Geological Society of America Guidebook.  Hydrogeology of Southern California, Cordilleran Section, 82nd Annual Meeting.  March 25-28, 1986.

Modern Techniques in Water Well Design.  Journal of the AWWA.  September 1985.

Computer Assisted Ground Water Management in Orange County, California.  Presented at the American Society of Civil Engineers National Conference on Environmental Engineering.  Los Angeles, CA.  June 25-27, 1984.

Conjunctive Use and Ground Water Management in Orange County California.  A paper presented at the NWWA Western Regional Ground Water Management Conference.  October 24, 1983.  The Well/Aquifer Model-Initial Test Results.  Published by the Roscoe Moss Company.  Los Angeles, CA.  1981.

The Well/Aquifer Model-Initial Test Results.  Published by the Roscoe Moss Company.  1981.  Los Angeles, California.

The Dashte-Naz Ground Water Barrier and Recharge Project.  Presented at the Third National Ground Water Quality Symposium.  Las Vegas, Nevada.  September, 1976.  Also published in Ground Water.  January-February, 1977.

Digital Computer Models and Ground Water Basin Management.  Presented at the International Symposium on Development of Ground Water Resources, sponsored by I.H.D. Madras, India.  November, 1973.

Gasoline Pollution of a Ground Water Reservoir.  A paper presented at the First National Ground Water Quality Symposium.  August, 1971.  Also published in Ground Water.  Nov-Dec, 1971.

Modern Techniques in Ground Water Studies.  A paper presented at the 91st Annual Conference of the AWWA, June, 1971.  Also published in the Journal of the AWWA.  July, 1971.

Ground Water Development and Management in the Owens Valley.  Presented at the 90th Annual Conference of the AWWA.  October 1970.

Ground Water Basin Management.  A paper presented at the California Section Meeting AWWA.  September, 1970. (Consulting Engineers Panel).

Use of Alluvial Faults in the Storage and Retention of Ground Water.  A paper presented at the Annual Fall Meeting of the AGU, December, 1969.  Also published in Ground Water.  September-October, 1970.

Management of Gasoline Leaks - A Positive Outlook.  A paper presented at the NWWA Seventh National Ground Water Quality Symposium.  Las Vegas, Nevada.  Sep 27, 1984.

Geohydrologic Investigation of the Owens Valley Ground Water Reservoir.  Ph.D. Dissertation.  New Mexico Institute of Mining and Technology.  June, 1969.

Viscous-Model Study of Ground Water Flow in a Wedge-Shaped Aquifer.  Water Resources Research, Volume 2, Third Quarter.  1966.

Cenozoic Rocks of Socorro Valley and Vicinity.  New Mexico Geologic Society Guidebook.  1963.

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