GROUND WATER ATLAS of the UNITED STATES
Iowa, Michigan, Minnesota, Wisconsin
HA 730-J
Cretaceous aquifer
(figures 42-49)
Introduction (Click to view thumbnails
and download figures)
- Figure 42 Map
showing the location of the Cretaceous aquifer
Hydrogeology (Click to view thumbnails
and download figures)
- Figure 43 Correlation
chart showing characteristics of the Cretaceous aquifer
- Figure 44 Cross
section showing water flow through Cretaceous aquifer
- Figure 45 Map
showing potentiometric surface of the Cretaceous aquifer
- Figure 46 Map
showing potential water yields from the Cretaceous aquifer in
Iowa
- Table 2 Table
showing hydraulic properties and thickness of the Cretaceous
aquifer in Iowa
Ground-water Quality (Click to view thumbnails
and download figures)
- Table 3 Chart
showing average anion and cation concentrations in the Cretaceous
aquifer
- Figure 47 Map
showing dissolved-solids concentrations in water from the Cretaceous
aquifer
- Figure 48 Map
showing dissolved-sulfate concentrations in water from the Cretaceous
aquifer
- Figure 49
Map showing use of fresh ground-water withdrawals from the Cretaceous
aquifer in 1985
