Open-File Report 2006–1058
U.S. GEOLOGICAL SURVEY
Open-File Report 2006–1058
Figure 7. Observed water levels (1950–2005) in annual observation well network, Black Mesa area, Arizona.
P, pumping; R, recently pumping.
Figure 7. Continued.
Figure 7. Continued.
Figure 7. Continued.
For more information about USGS activities in Arizona, visit the USGS Arizona Water Science Center home page.