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Maps Showing Ground-Water Conditions in the San Francisco Peaks Area, Coconino County, Arizona - 1979
Cynthia L. Appel, Donald J. Bills
1981, Open-File Report 81-914
INTRODUCTION The San Francisco Peaks area includes about 2,300 mi2, of which about 500 mi2 is in the Navajo Indian Reservation, in north-central Arizona. Ground-water development has been slight except for the public-supply wells for Flagstaff and domestic wells in Fort Valley, Pitman Valley, and the area west of Elden Mountain....
Map showing how the potentiometric surface of the Magothy Aquifer of September 1979 differed from the potentiometric surface of September 1977 in southern Maryland
Frederick K. Mack, J. C. Wheeler, Stephen E. Curtin
1981, Open-File Report 81-632
This map is based on the differences between two sets of water-level measurements made in 63 observation wells. One set was made in 1977, a relatively dry year, and the other set was made in 1979, a relatively wet year. The map shows that the potentiometric surface in 1979, in...