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Securing Arizona's Water Future
Geography of the Detrital Valley Basin

The Detrital Valley Basin is small basin in the northwestern part of the planning area at 892 square miles. Geographic features and principal communities are shown on Figure 4.3-1.  The basin is characterized by a wide north-south trending valley and mountains on the east and west basin margins. Lake Mead forms the northern boundary of the basin.  Vegetation is almost exclusively Mohave desertscrub with small areas of semi-desert grassland, interior chaparral, Great Basin conifer woodland and montane conifer forest. (see Figure 4.0-9)

Principal geographic features shown on Figure 4.3-1 are:

  • Detrital Wash running south to north through the basin and the lowest point in the basin, about 1,100 feet where the Wash drains into Lake Mead

  • White Hills on the east central basin boundary

  • Cerbat Mountains north of Grasshopper Junction

  • Black Mountains along the western basin boundary with Mt. Wilson, the highest point in the basin at 5,445 in the northwest part of the basin

Click to view Figure 4.3-1

Click for Figure 4.3-1 Detrital Valley Basin

Geographic Features

 

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