GROUND WATER ATLAS of the UNITED STATES
Kansas, Missouri, and Nebraska
HA 730-D

Great Plains aquifer system

(figures 74-87)

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Introduction (Click to view thumbnails and download figures)

• Figure 74 Map showing extent of the Great Plains aquifer system

Hydrogeologic units (Click to view thumbnails and download figures)

• Figure 75 Correlation chart
• Figure 76 Map showing the Maha and Apishapa aquifer and the Apishapa confining unit
• Figure 77 Geologic section
• Figure 78 Map showing where aquifer contains freshwater, saline water, and oil and gas
• Figure 79 Map showing thickness of the Maha aquifer
• Figure 80 Map showing thickness of the Apishapa aquifer

Ground-water flow (Click to view thumbnails and download figures)

• Figure 81 Potentiometric contour map
• Figure 82 Map showing area of unconfined conditions in Maha aquifer
• Figure 83 Map showing estimated transmissivity of the Maha aquifer

Ground-water quality (Click to view thumbnails and download figures)

• Figure 84 Map showing dissolved-solids concentration
• Figure 85 Map showing hydrochemical facies

Fresh gound-water withdrawals (Click to view thumbnails and download figures)

• Figure 86 Graph showing rates of withdrawal of freshwater from the aquifer system in Kansas and Nebraska
• Figure 87 Chart showing use of fresh ground-water withdrawals during 1990

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