United States Geological Survey YearbookThe Survey, 1990 - Geology |
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... surface- and ground- water resources . This ambitious task , which was tested in 7 pilot studies , and begun at 20 study sites in fiscal year 1991 , will provide the Nation with the information necessary for addressing policy and ...
... surface- and ground- water resources . This ambitious task , which was tested in 7 pilot studies , and begun at 20 study sites in fiscal year 1991 , will provide the Nation with the information necessary for addressing policy and ...
Page 1
... surface of the Earth will be subjected to One million thunderstorms , ⚫ 100,000 floods , • Tens of thousands of damaging landslides , earthquakes , wildfires , and tornadoes , and Several hundred to several thousand tropi- cal cyclones ...
... surface of the Earth will be subjected to One million thunderstorms , ⚫ 100,000 floods , • Tens of thousands of damaging landslides , earthquakes , wildfires , and tornadoes , and Several hundred to several thousand tropi- cal cyclones ...
Page 5
... surface , which suggests that previous magnitude 7 earthquakes in this area may not have left direct evidence in the geologic record . This is an important issue because geological estima- tes of what has happened in the past form an ...
... surface , which suggests that previous magnitude 7 earthquakes in this area may not have left direct evidence in the geologic record . This is an important issue because geological estima- tes of what has happened in the past form an ...
Page 8
... surface elevations related to the storm surge were even higher in other areas along the South Carolina coast . Water - surface elevations of 12 to 16 feet above sea level were common in much of the area from Myrtle Beach southward to ...
... surface elevations related to the storm surge were even higher in other areas along the South Carolina coast . Water - surface elevations of 12 to 16 feet above sea level were common in much of the area from Myrtle Beach southward to ...
Page 9
... surface of the sand deposit . The area of the sand deposit is approximately 3 square miles . ST CULEBRA THOMAS ISLAND VIEQUES ISLAND NOAA 65 ° 00 ' Track of the eye ( 15.5 miles in diameter ) of Hurricane Hugo as it passed over the ...
... surface of the sand deposit . The area of the sand deposit is approximately 3 square miles . ST CULEBRA THOMAS ISLAND VIEQUES ISLAND NOAA 65 ° 00 ' Track of the eye ( 15.5 miles in diameter ) of Hurricane Hugo as it passed over the ...
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activities Administration Alaska Arctic areas Assistant atrazine Award Baikal Bldg Board Bureau cartographic data Chief Hydrologist City City of w coal coastal Commission contamination cooperative Coordination County Denver Federal Center Department of Public Development disaster Division Chief drought earth science earthquake Environmental eruption Federal agencies field geologic map geologists geophysical ground water ground-water Hurricane Hugo hydrologic IDNDR Information Systems Interior investigations Island Lake Lake Baikal land lava located Loma Prieta earthquake Loudoun County Management Menlo Park ment miles mineral deposits mineral resources National Center National Mapping National Water NAWQA Office percent Planning production Puerto Rico Redoubt volcano Regional Reston River basin rock scale scientific scientists seismic Service spatial data storage storm studies surface tion Transportation U.S. Department U.S. Geological Survey U.S. Virgin Islands United users USGS Water Conservation District Water District water quality Water Resources Water-Quality Assessment