GROUND WATER ATLAS of the UNITED STATES
Arizona, Colorado, New Mexico, Utah
HA 730-C
Surficial aquifers
(figures 18-30)
Introduction (Click to view thumbnails
and download figures)
- Figure 18 Map
showing the extent of principal alluvial or eolian deposits
- Figure 19 Photograph
showing the valley of the South Platte River near Fort Lupton,
Colorado
- Figure 20 Photograph
showing the South Platte River on the plains of eastern Colorado
- Figure 21 Diagram
showing the alluvium composition from the Continental Divide
to the plains
Hydrogeologic Units (Click to view thumbnails
and download figures)
- Figure 22 Map
of South Platte River Valley with hydrogeologic sections showing
thickness and consistancy of the alluvium
Recharge and Discharge (Click to view thumbnails
and download figures)
- Figure 23 Section
showing average annual quantities of water flowing into and out
of the surficial aquifer from 1947 to 1970
Water-level Conditions
(Click to view thumbnails and download figures)
- Figure 24
Map showing the direction of ground-water movement in the South
Platte River area
- Figure 25 Map
and graphs showing water level change in the surficial aquifer
from 1947 to 1970
Aquifer Characteristics
(Click to view thumbnails and download figures)
- Figure 26
Map showing the transmissivity of surficial aquifer in the South
Platte River area
Ground-water Quality
(Click to view thumbnails and download figures)
- Figure 27
Map showing the dissolved-solids concentrations of ground-water
in the South Platte River area
- Figure 28 Pie
chart showing usage of fresh ground-water withdrawals during
1985
- Figure 29 Graph
showing amount and sources of ground-water used for irrigation
by month
- Figure 30 Graph
showing diversion by ground-water withdrawal and surface-water
diversion from year to year
