Open-File Report 2006–1058

Open-File Report 2006–1058

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Table 7. Median changes in water levels, 2004–05 and prestress period to 2005, Black Mesa area, Arizona.

Years Aquifer
Number of
Median change in
water level (feet)
2004–05 All 25 -0.4
Unconfined 13 -.1
Confined 12 -1.2
Prestress–2005 All 33 -9.0
Unconfined 16 -.6
Confined 17 -32.0

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For more information about USGS activities in Arizona, visit the USGS Arizona Water Science Center home page.

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