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Page 5540, results 138476 - 138500

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Not all publications have extents, not all extents are completely accurate
Maps showing ground-water conditions in the lower San Pedro Basin area, Pinal, Cochise, Pima, and Graham Counties, Arizona—1979
Susan C. Jones
1980, Open-File Report 80-954
The lower San Pedro basin area includes about 1,550 square miles in southeastern Arizona. The area depends almost entirely on groundwater for its water supplies. In 1978 the estimated groundwater pumpage was 55,000 acre-feet, 30,000 acre-feet of which was used for irrigation. Withdrawal of groundwater has had little effect on...
Floods of January and February 1980 in California
Kenneth L. Wahl, John R. Crippen, J. M. Knott
1980, Open-File Report 80-1005
During January and February 1980, storms caused substantial rises in streamflow throughout much of California. In mid-January flooding occurred in the foothills of the Sierra Nevada and in the central coast area. In late January and mid-February, high floodflows in streams in coastal southern California caused much damage and several...
The river and the rocks: The geologic story of Great Falls and the Potomac River Gorge
John Calvin Reed Jr., Robert Sumner Sigafoos, George Wescott Fisher
1980, Bulletin 1471
The Great Falls of the Potomac River has figured prominently in the purposes of men since prehistoric time. Long before John Smith reached the falls in 1609, groups of Indians from East and West met at this great river barrier to trade and perform ceremonies in honor of the spirit...
Helicopter airborne electromagnetic survey (using the Dighem II system) of parts of the Lake City caldera, Hinsdale County, Colorado
D.C. Fraser, Z. Dvorak
1980, Open-File Report 80-917
The data presented herein is from an airborne electromagnetic-resistivity-survey conducted by Dighem Limited of Toronto Canada for the U.S. Geological Survey. The area surveyed is located in the western San Juan Mountains near Lake City, Colorado. The general area covered is between 37°45' and 38° latitude north and 107°15' and...
Distribution of aquifers, liquid-waste impoundments, and municipal water-supply sources, Massachusetts
David F. Delaney, Anthony Maevsky
1980, Open-File Report 80-431
Impoundments of liquid waste are potential sources of ground-water contamination in Massachusetts. The map report, at a scale of 1 inch equals 4 miles, shows the idstribution of aquifers and the locations of municipal water-supply sources and known liquid-waste impoundments. Ground water, an important source of municipal water supply, is...
Water resources data for Hawaii and other Pacific areas, water year 1979: Volume 2. Trust Territory of the Pacific Islands, Guam, American Samoa, and Northern Mariana Islands
Water Resources Division, U.S. Geological Survey
1980, Water Data Report HI-79-2
Volume 2 of water resources data for the 1979 water year for other Pacific areas consist of records of stage, discharge, and water quality of streams; stage of a reservoir; and water levels in wells and springs. This report contains discharge records for 41 gaging stations; stage only record for...