Unsaturated Zone Hydology and Modeling 

 Directed thesis on stream depletion by alluvial wells, Sangre de Cristo Mts., Colo. (1970)

 Directed thesis on groundwater recharge of San Luis Valley, Colo., (1971)

 Consultant to Fugro, Inc. on hydrology of cooling ponds on unsaturated alluvium at Palo Verde Nuclear Plant, AZ (1974)

 Consultant to and witness for Elam, Burke, Jepperson and Boyd, Boise, ID on causes of failure of Teton Dam, on unsaturated zone welded tuff, (1978)

 Consultant to Conoco, Inc., on feasibility of in-situ leaching of copper at Florence, Az, saturated and unsaturated fracture systems. (1981)

 Coordinator of water resource evaluations of Desert Research Inst., Egypt (1983-85)

 Contributor to models of USGS Unsturated Zone Hydrology Group, Yucca Mountain Project (1986-88)

 Consultant to EPA on contaminant transport, Stringfellow Superfund Site, in desert valley, Riverside, CA (1986-88)

 Consultant to EPA on contaminant transport in unsaturated zone and plume migration at OII Landfill Superfund Site, Montbello, CA (1987-90)

 Prepared testimony for EPA on DNAPL transport in alluvium, Longview, WA (1991-92)

 Review Dames and Moore work on transport thru granitic grus at Campo Landfill, CA for SAIC (1992-93)