Water-Supply Paper 2470-B. Simulation of the ground-water flow
system
in the Portland Basin, Oregon and Washington, by David S. Morgan and
William
D. McFarland. ABSTRACT
COMPLETE REPORT
Water Resources Investigation Report 90-4196. A description of
hydrogeologic
units in the Portland Basin, Oregon and Washington, by Rodney D.
Swanson,
William D. McFarland, Joseph B. Gonthier, and James M. Wilkinson. COMPLETE REPORT
Water Resources Investigation Report 91-4018. Estimated average
annual
ground-water pumpage in the Portland Basin, Oregon and Washington,
1987-88,
by Charles A. Collins and Tyson M. Broad. ABSTRACT
COMPLETE REPORT
Water Resources Investigation Report 92-4010. Estimation of
ground-water
recharge from precipitation, runoff into drywells, and on-site
waste-disposal
systems in the Portland Basin, Oregon and Washington, by Daniel T.
Snyder,
David S. Morgan, and Timothy S. McGrath ABSTRACT
COMPLETE REPORT
Open-File Report 90-126. Ground-water data for the Portland Basin,
Oregon
and Washington, by Kathleen A. McCarthy and Donald B. Anderson. ABSTRACT
COMPLETE REPORT
Open-File Report 92-50. Modifications of the U.S. Geological Survey
modular, finite-difference, ground-water flow model to read and write
geographic
information system files, by Leonard L. Orzol and Timothy S. McGrath. ABSTRACT
COMPLETE REPORT
The dynamic relationship between ground water and the Columbia River:
Using
Deuterium and Oxygen-18 as tracers, by Kathleen A. McCarthy, William D.
McFarland, James M. Wilkinson, and L.D. White, Journal of Hydrology,
vol.
135, no. 1/4.
ABSTRACT COMPLETE REPORT
Summary of modifications of the U.S. Geological Survey modular,
finite-difference,
ground-water flow model to read and write geographic information system
files, by Leonard L. Orzol and Timothy S. McGrath, Proceedings of the
Symposium
on Geographic Information Systems and Water Resources, American Water
Resources
Association, March 1993. ABSTRACT
Water-Supply Paper 2483. Comparison of chlorofluorocarbon-age dating
with particle-tracking results of a regional ground-water flow model of
the Portland Basin, Oregon and Washington, by Stephen R. Hinkle and
Daniel
T. Snyder ABSTRACT
COMPLETE REPORT
Water-Resources Investigation Report 97-4224. Evaluation of factors
that influence estimated zones of transport for six municipal wells in
Clark County, Washington, by Leonard L. Orzol and Margot Truini ABSTRACT
COMPLETE REPORT
Open-File Report 97-240. User's guide for MODTOOLS; computer
programs for translating data of MODFLOW and MODPATH into geographic
information system files, by Leonard L. Orzol ABSTRACT
COMPLETE REPORT
Portland
Basin Ground-Water Study Page
Oregon Water Science Center Hydrologic Studies Page
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://or.water.usgs.gov/projs_dir/or143/reports.html
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