|
|
|
|
"Day Model - Final Phase 2 documentation Materials, Calibration Status, Future Potential Improvements - July 3 2000 - CH2M Hill " |
F/4686975 |
07/30/2000 |
|
|
|
|
Day Model - Compact Disc Direction - July 3 2000 |
F/4686976 |
07/30/2000 |
|
|
|
|
Day Model - Proposal for Phase 3 day Model services - CH2M Hill July 20 2000 |
F/4686977 |
07/30/2000 |
|
|
|
|
Day Model - Grid within Columbia South Shore (CSS) Wellfield Area |
F/4686978 |
07/30/2000 |
|
|
|
|
West Well Field Troutdale Sandstone Aquifer Risk Analysis |
F/4686979 |
07/31/2000 |
|
|
|
|
East Multnomah County Database and Model - Final Geologic Interpretation Detailed Modeling Area - Volume II - Hydrogeologic Unit Thickness and Elevation Maps - Parametrix INC - July 30 1991 |
F/4686980 |
07/31/1991 |
|
|
|
|
Report of Geophysical Studies For East Multnomah County Database & Model Project - Dec 1991 - Parametrix |
F/4686981 |
12/31/1991 |
|
|
|
|
East Multnomah County Database and Model - Groundwater flow Model Report - June 1993 - SS Papadopulos & Associates |
F/4686982 |
06/30/1993 |
|
|
|
|
East Multnomah County Database and Model - Groundwater flow Model Report - Appendices A-E - Draft - Jan 1993 - SS Papadopulos & Associates |
F/4686983 |
12/31/1993 |
|
|
|
|
Threat to Drinking water findings - East county sanitary sewer consortium - June 1984 |
F/4686984 |
06/30/1984 |
|
|
|
|
Geoengineers Modeling Project - Luzier & Willis - United States Geological Survey (USGS) 1984 Map - Updated 1998 |
F/4686985 |
12/31/1998 |
|
|
|
|
Evaluation of Sump impacts on Groundwater in East Multnomah County - April 1986 - Brown and Caldwell Engineers |
F/4686986 |
04/30/1986 |
|
|
|
|
Troutdale Gravel Aquifer Thickness map - Confining Unit 1 Thickness map -1989 |
F/4686987 |
12/31/1986 |
|
|
|
|
Vogt - Stratigraphy & Structure of the Columbia River Basalt Group in the Bull Run Watershed - 1981 PSU Thesis |
F/4686988 |
12/31/1981 |
|
|
|
|
"Hydrogeologic Units in The Portland basin, Oregon & Washington - United States Geological Survey (USGS) Water Resources Investigations Report 90-4196 " |
F/4686989 |
12/31/1993 |
