Central Valley Aquifer, Chapters A and B - MAE Class Websites
Central Valley Aquifer, Chapters A and B - MAE Class Websites Central Valley Aquifer, Chapters A and B - MAE Class Websites
88 Groundwater Availability of the Central Valley Aquifer, California C Figure B12. Continued. 600 500 240 400 280 200 80 160 40 120 0 120 40 0 0 50 100 Miles 0 50 100 Kilometers Shaded relief derived from U.S. Geological Survey National Elevation Dataset, 2006. Albers Equal Area Conic Projection 120 40 80 120 160 240 120 320 80 200 320 400 700 320 200 280 240 EXPLANATION Spring 1976 Water-level altitude (from Williamson and others, 1989), in feet above NGVD 29— 320 160 120 280 240 320 400 320 0 1 to 50 51 to 100 101 to 200 201 to 400 401 to 800 Central Valley boundary Major streams and canals Direction of flow 400
D Figure B12. Continued. 500 400 320 280 240 200 160 80 40 0 40 80 120 120 40 0 -40 -40 0 50 100 Miles 0 50 100 Kilometers Shaded relief derived from U.S. Geological Survey National Elevation Dataset, 2006. Albers Equal Area Conic Projection 0 40 80 0 80 40 80 80 120 -40 Development and Changes to the Hydrologic Budget 89 -80 240 160 80 -80 400 0 160 -40 0 EXPLANATION Spring 1976 Potentiometric surface of the lower part of the aquifer system (from Williamson and others, 1989), in feet above NGVD 29— 40 200 400 -200 to -100 -99 to 0 160 280 200 40 1 to 100 101 to 250 251 to 500 Central Valley boundary Major streams and canals Direction of flow 0 200 360 320 280 320 280 200 320 240 160 160 120 80 200
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88 Groundwater Availability of the <strong>Central</strong> <strong>Valley</strong> <strong>Aquifer</strong>, California<br />
C<br />
Figure B12. Continued.<br />
600<br />
500<br />
240<br />
400<br />
280<br />
200<br />
80<br />
160<br />
40<br />
120<br />
0<br />
120<br />
40<br />
0<br />
0 50 100 Miles<br />
0 50 100 Kilometers<br />
Shaded relief derived from U.S. Geological Survey<br />
National Elevation Dataset, 2006. Albers Equal Area Conic Projection<br />
120<br />
40<br />
80<br />
120<br />
160<br />
240<br />
120 320<br />
80<br />
200<br />
320<br />
400<br />
700<br />
320<br />
200<br />
280 240<br />
EXPLANATION<br />
Spring 1976<br />
Water-level altitude<br />
(from Williamson <strong>and</strong> others, 1989),<br />
in feet above NGVD 29—<br />
320<br />
160<br />
120<br />
280<br />
240<br />
320<br />
400<br />
320<br />
0<br />
1 to 50<br />
51 to 100<br />
101 to 200<br />
201 to 400<br />
401 to 800<br />
<strong>Central</strong> <strong>Valley</strong> boundary<br />
Major streams <strong>and</strong> canals<br />
Direction of flow<br />
400