HA 730-I Regional aquifer systems

GROUND WATER ATLAS of the UNITED STATES
Montana, North Dakota, South Dakota, Wyoming
HA 730-I

Regional aquifer systems

Figure 49 Map of the aquifers and confining units
Figure 50 Correlation chart
Figure 51 Photograph of solution openings in carbonate rocks
Figure 52 Diagramatic section showing regional ground-water movement
Figure 53 Diagramatic section showing saline water movement into unconsolidated deposits
Figure 54 Map of Fort Union coal region
Figure 55 Map of potentiometric contours in the lower Tertiary aquifers
Figure 56 Map of potentiometric contours in the upper Cretaceous aquifers
Figure 57 Map of dissolved-solids concentration in water from upper cretaceous aquifers
Figure 58 Map of potentiometric contours in the lower Cretaceous aquifers
Figure 59 Map of dissolved-solids concentration in water from lower cretaceous aquifers
Figure 60 Map of potentiometric contours in the upper Paleozoic aquifers
Figure 61 Map of dissolved-solids concentration in water from upper Paleozoic aquifers
Figure 62 Map of potentiometric contours in the lower Paleozoic aquifers
Figure 63 Map of dissolved-solids concentration in water from lower Paleozoic aquifers
Figure 64 Map showing recharge and discharge of Paleozoic aquifers

Figure 65 Map of the aquifer system
Figure 66 Correlation chart
Figure 67 Diagramatic section of the aquifer system
Figure 68 Map showing approximate depth to water in the aquifer system
Figure 69 Map of potentiometric contours in the Wasatch-Fort Union aquifer
Figure 70 Map of dissolved-solids concentration in water from Mesaverde aquifer
Figure 71 Map showing depth to top of Paleozoic rocks
Figure 72 Map of potentiometric contours in the Pennsylvanian aquifer
Figure 73 Map of potentiometric contours in the Mississippian aquifer

Figure 74 Map of the aquifer system
Figure 75 Diagram showing intermontane basin deposits
Figure 76 Diagram showing capture of streamflow by near by wells
Figure 77 Diagram showing large basins containing thick sequences of basin fill