HA 730-F Coastal lowlands aquifer system

GROUND WATER ATLAS of the UNITED STATES
Arkansas, Louisiana, Mississippi
HA 730-F

Coastal lowlands aquifer system

(figures 46-64)

Introduction (Click to view thumbnails and download figures)

Figure 46 Map showing extent of the aquifer system and permeable zones
Figure 47 Correlation chart

Thickness and extent (Click to view thumbnails and download figures)

Figure 48 Map showing thickness of aquifer
Figure 49 Cross section of aquifer system
Figure 50 Cross section of aquifer system

Hydrogeologic units (Click to view thumbnails and download figures)

Figure 51 Map showing the thickness of permable zone A

Relation between geology and permeability (Click to view thumbnails and download figures)

Figure 52 Diagrams of constructional deltas
Figure 53 Diagramatic section showing a constructive delta
Figure 54 Map showing sand in percent
Figure 55 Map showing estimated hydraulic conductivity

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

Figure 56 Potentiometric contour map
Figure 57 Potentiometric contour map

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

Figure 58 Map showing dissolved-solids concentration
Figure 59 Map showing hydrochemical facies

Fresh ground-water withdrawals and decline of water levels (Click to view thumbnails and download figures)

Figure 60 Chart showing the use of fresh ground-water withdrawals during 1985
Figure 61 Map showing fresh ground-water withdrawals during 1980
Figure 62 Graph showing water level in well
Figure 63 Graph showing water level in well
Figure 64 Graph showing water level in well

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