* Geology Ph.D., 1994, Department of Geology, University of Nebraska, Lincoln. Major fields of study - Surficial Processes/Hydrogeology. Dissertation titled: "Evidence of Quaternary Break-out Floods along the Middle Indus Valley and in the Peshawar Basin of Northern Pakistan."
* Geology M.S., 1984, Department of Geoscience, Texas Tech University. Major field of study - Geochemistry/Stratigraphy. Thesis Title: "Evaluation of Volcanic Ash Deposits as Stratigraphic Marker Beds in Playa Basins of West Texas."
* Interdisciplinary Studies B.S., 1981, Department of Geography/Geology,
University of Nebraska at Omaha.
* 1998 to present, Assistant Professor of Geology, Geology Department at the California State University in sacramento, Sacramento, CA. Course responsibilities include Engineering Geology, Surface Processes, Environmental Geology, and General Geology.
* 1996 to 1998, Assistant Professor of Geology, tenure track
position in the Department of Earth Sciences at Central Missouri
State University, Warrensburg, MO. Course responsibilities include
Engineering Geology, Environmental Geology, Geomorphology, Groundwater
Geology, Quaternary and Glacial Geology.
* 1984 - 1996, Technical Director of Geological Services and Vice
President of Geotechnical Services, Inc.. Responsibilities included
applying new technology to solving environmental and engineering
problems for industrial clients, project management and quality
control.
* 1987-1996, Adjunct faculty, Department of Geography-Geology
at the University of Nebraska at Omaha, Omaha, NE. course responsibilities
included Environmental Geology, Geohydrology, Geomorphology, and
Field Methods.
· 1997 - Researcher, Central Missouri State University:
Participated as Project Hydrologist for the NSF sponsored "Collaborative
Research Crustal Reworking During Orogeny: An Active-System Himalayan
Perspective" multi-national project. Responsibilities included
determining the hydrologic contribution to denudation of the Nanga
Parbat massif in northern Pakistan and characterizing the concentration
of sediment emanating from glacial meltwaters.
· 1997 - Principal Investigator: Constructed a fate and
transport model of a proposed leak scenario for a chemical plant
in La Platte, Nebraska. Responsibilities included the development
of a function transport model that could be used for planning
and remedial option purposes. Worked as a consultant to Thiele
Geotech, Inc..
· 1997 - Principal Investigator: Construction of a groundwater
flow model (Visual MODFLOW) for Olsson Environmental Sciences,
Central City, Nebraska. Responsibilities included the development
of a working groundwater flow model for portions of the Platte
River valley in central Nebraska to be tested and used for regional
water planning efforts.
· 1997 - Principal Investigator: Construction of a groundwater
flow model (Visual MODFLOW) for Olsson Environmental Sciences,
Wood River, Nebraska. Responsibilities included the development
of a working groundwater flow model for portions of the Platte
River valley in central Nebraska to be tested and used for regional
water planning efforts.
· 1996 - Principal Investigator: Hydrogeologic evaluation
of an existing solid waste facility in Hall County, Nebr. Study
involved the definition of Ogallala Group stratigraphy, engineering
properties of the sediments and the determination of the hydrogeologic
flow conditions of the various water bearing units as part of
a repermitting and landfill expansion effort. Worked as a consultant
to HDR Engineering, Inc..
· 1996 - Principal Investigator: Conducted an electromagnetic
conductivity survey for the Iowa Department of Transportation
in an attempt to locate buried hazards prior to planned road work.
Worked as a consultant to the Iowa Department of Transportation.
· 1995 - Researcher, University of Nebraska at Omaha: Participated
as part of a multi-university archeological team excavating the
biblical town of Bethsaida along the north shore of the Sea of
Galilee, northern Israel. Responsibilities included evaluating
why the anchorage to the town was apparently lost and its relationship
to catastrophic floods emanating from the Jordan River valley.
River-blocking landslides and downstream boulder fields were measured
and mapped, hydrologic parameters of flood events were determined,
and the establishment of a temporal framework was accomplished.
· 1995 - Principal Investigator, Geotechnical Services,
Inc.: Hydrogeologic evaluation of an existing solid waste facility
in Cherry County, Nebr. Study involved the definition of Ogallala
Group stratigraphy and the determination of the hydrogeologic
flow conditions of the various water bearing units. Down-hole
geophysical tools were employed to help elucidate the stratigraphy
of the Ogallala Group and strategically place discreet well screen
intervals.
· 1995 - Investigator, Geotechnical Services, Inc.: Participated
as part of a technical review team evaluating the technical application
for the siting of a Low-Level Radioactive Waste Facility in Nebraska.
Study involved understanding and independently testing models
of the geophysical systems and engineering design specifications
for the construction of the facility.
· 1995 - Principal Investigator, Geotechnical Services,
Inc.: Hydrogeologic evaluation of an existing solid waste facility
in Phelps County, Nebr. Study involved the definition of Ogallala
Group stratigraphy, overlying Pleistocene sediments and the determination
of the hydrogeologic flow conditions of the various water bearing
units. Fate and transport modeling was used to evaluate these
conditions as they pertained to leachate migration rates and flow
paths below the facility.
· 1994 - Principal Investigator, Geotechnical Services,
Inc.: Hydrogeologic evaluation of an existing solid waste facility
in Cherry County, Nebr. Study involved the definition of Ogallala
Group stratigraphy, determination of the hydrogeologic flow conditions
of the various water bearing units, and evaluating these conditions
as they pertained to leachate migration rates and flow paths below
the facility.
· 1992-1993 - Principal Investigator, (dissertation):
Investigated Pleistocene break-out floods and their environmental
impact to the middle Indus Valley and the Peshawar Basin, northern
Pakistan. Worked directly with the Geological Survey of Pakistan
and the faculty and staff at the National Centre of Excellence
in Geology, University of Peshawar.
· 1991 - Researcher, University of Nebraska at Omaha: Environmental
impact assessment of catastrophic floods down the Indus valley
of Northern Pakistan as a function of tectonically and climatically
produced landslides. Collected field data to construct a dynamic
computer model that simulated flood parameters that resulted from
landslide dam bursting.
· 1991 - Researcher, University of Nebraska at Omaha: Geomorphic
reconstruction of Quaternary events in the Nanga Parbat region
of northern Pakistan. Field work included identifying and mapping
Pleistocene glacial sediments, landslides, and other geomorphic
events. Project resulted in the modification of the existing chronology
to accommodate new understandings.
· 1991 - Principal Investigator, Geotechnical Services,
Inc.: Conducted multiple pump tests in Pleistocene sediments to
evaluate aquifer characteristics. Reduced aquifer data and pump
test conditions were incorporated into a groundwater model (USGS
- MODFLOW) to aid in the design of a remediation system at a petroleum
impacted site, Rising City, Nebraska
· 1990 - Principal Investigator, Geotechnical Services,
Inc.: Conducted Electro-Magnetic (EM) survey to identify deep
contaminant plume in regional alluvial aquifer. Results of study
aided in the strategic placement of monitoring wells to detect
heavy metal impact to the regional aquifer.
· 1989 - Principal Investigator, Geotechnical Services,
Inc.: Conducted environmental impact assessment, designed remediation
plan, and managed installation of remediation system for large
volume fuel oil leak at major midwest industrial processing plant.
Groundwater modeling (USGS - MODFLOW) was conducted to outline
aquifer response over time and evaluate aquifer stress from multiple
recovery wells, Dakota City, Nebraska.
· 1988 - Principal Investigator, Geotechnical Services,
Inc.: Conducted environmental assessment, designed remediation
plan, and supervised recovery system installation of petroleum
impacted alluvial sediments. A groundwater model (PLASM) was constructed
to evaluate aquifer response to imposed remedial pumping, Lincoln,
Nebraska.
· 1988 - Principal Investigator, Geotechnical Services,
Inc.: Conducted seismic refraction surveys along the Kansas River
Valley to map bedrock depths for Pleistocene sand and gravel resources,
Wamego, Kansas.
· 1988 - Principal Investigator, Geotechnical Services,
Inc.: Conducted environmental assessment of surface soils and
a small alluvial aquifer that was impacted from a large liquid
fertilizer spill in Oakdale, Nebraska.
· 1987 - Principal Investigator, Geotechnical Services,
Inc.: Conducted geologic site assessment to outline the Pleistocene
stratigraphy and engineering properties of valley fill sediments
in South Branch Watershed as a potential damsite for Nebraska
Soil Conservation Service, Burr, Nebraska.
· 1987 - Investigator, Geotechnical Services, Inc.: Conducted
field work to aid in the assessment of a nitrate release to surface
and groundwaters using Electromagnetic Conduction (EM) equipment,
North Loup, Nebraska.
· 1987 - Principal Investigator, Geotechnical Services,
Inc.: Conducted seismic refraction surveys to outline subsurface
features in Ogallala Group sediments along a dam spillway for
Nebraska Soil Conservation Service, McCook, Nebraska.
· 1987 - Principal Investigator, Geotechnical Services,
Inc.: Conducted Electromagnetic Conduction (EM) surveys along
a proposed road centerline to outline shallow stratigraphic changes
in Pleistocene alluvial setting. Study outlined areas that ultimately
required special geotechnical considerations, Omaha, Nebraska.
· 1986 - Project Geologist, Geotechnical Services, Inc.:
Evaluated the environmental impact of petroleum to Pleistocene
sediments and groundwater from ruptured underground tanks in Lincoln,
Nebraska.
· 1986 - Project Geologist, Geotechnical Services, Inc.:
Evaluated the environmental impact of petroleum to Pleistocene
sediments and groundwater near an existing gas station for the
Nebraska Department of Environmental Quality.
· 1985 - Principal Investigator, Geotechnical Services,
Inc.: Reconstructed Holocene landscape evolution and depositional
history for sites nominated for National Register of Historic
Places, Harlan County Lake, Republican River, Nebraska. Tasks
included outlining the geomorphic development of the landscape
over late Pleistocene and Holocene time.
· 1985 - Project Geologist, Geotechnical Services, Inc.:
Helped define the stratigraphy and engineering properties of sediments
beneath a proposed floodwater retarding structure through drilling
and field reconnaissance for the Nebraska Soil Conservation Service,
Bushnell, Nebraska.