HA 730-N Alaska Unconsolidated-deposit aquifers

GROUND WATER ATLAS of the UNITED STATES
Alaska, Hawaii, Puerto Rico and the U. S. Virgin Islands
HA 730-N

Alaska Unconsolidated-deposit aquifers

Figure 13 Map showing the location of the unconsolidated-deposit aquifers of Alaska

Figure 14 Photograph showing unsorted, unstratified glacial till deposited by the Lemon Creek glacier near Juneau, Alaska
Figure 15 Hydrogeologic sections of three areas in the Cook Inlet aquifer system
Figure 16 Diagrammatic section showing ground water movement in the unconsolidated-deposit aquifers of the Cook Inlet aquifer system
Figure 17 Map showing potentiometric contours and movement of water in the unconfined aquifer near Anchorage, Alaska
Figure 18 Map showing potentiometric contours and movement of water in the confined aquifer near Anchorage, Alaska before the aquifer was intensively developed
Figure 19 Map showing potentiometric contours and movement of water in the confined aquifer near Anchorage, Alaska after the aquifer was intensively developed
Figure 20 Map showing net water-level decline in confined aquifer near Anchorage, Alaska between 1955 and 1969

Figure 22 Cross section showing the Tanana Basin aquifer near Fairbanks, Alaska
Figure 23 Map showing potentiometric contours and movement of water in the unconsolidated deposits near the junction of the Delta and Tanana Rivers
Figure 24 Graph showing the hydraulic connection between the Tanana River aquifer and the Chena River near Fairbanks, Alaska
Figure 25 Map showing potentiometric contours and movement of water between the Tanana and Chena Rivers

Figure 26 Diagrammatic section showing the geology of the Coastal Valley aquifer near Juneau, Alaska
Figure 27 Graph showing water levels in a well completed in the upper part of the aquifer
Figure 28 Cross section showing saltwater intrusion into the unconsolidated-deposit aquifers in coastal areas of Alaska