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Scientific Investigations Report 2012–5062


Groundwater Simulation and Management Models for the Upper Klamath Basin, Oregon and California


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Figure 6. Upper Klamath Basin, Oregon and California, regional groundwater flow model hydraulic-conductivity zonation. (A) Layer 1 zonation; (B) Layer 2 zonation; and (C) Layer 3 zonation. Hydrogeologic unit definitions: Qs, Quaternary sediment; Qv, Quaternary volcanic deposits; Qvn, Quaternary volcanic deposits north; Qmp, Quaternary Mazama pumice; Tvn, Tertiary volcanic deposits north; Tsbv, Tertiary sediments, Butte Valley; Tsy, Tertiary sediments younger basins; Tso, Tertiary sediments older basins; Tsv, Tertiary mixed sedimentary and volcanic deposits; Tvw, Tertiary volcanic rocks west; Tve, Tertiary volcanic rocks east; Tvne, Tertiary volcanic rocks northeast.


First posted May 5, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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