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Publication Extents

Not all publications have extents, not all extents are completely accurate
Feasibility of combining two aquatic benthic macroinvertebrate community databases for water-quality assessment
Bernard N. Lenz
1997, Fact Sheet 132-97
An important part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment (NAWQA) Program is the analysis of existing data in each of the NAWQA study areas. The Wisconsin Department of Natural Resources (WDNR) has an extensive aquatic benthic macroinvertebrate communities in streams (benthic invertebrates) database maintained by the University...
Flood of January 1997 in the Carson River Basin, California and Nevada
Karen A. Thomas, Rhea P. Williams
1997, Fact Sheet 183-97
Northern California and western Nevada were devastated by floods during January 1-3, 1997. Flood waters in the Carson River Basin (fig. 1) contributed to $55 million in projected damages in Douglas County and $19.5 million in Lyon County (Reno Gazette-Journal, 1997). Flooding in Douglas and Lyon Counties was extensive along...
Reporting of Real Time River Levels in Massachusetts and Rhode Island
Russell A. Gadoury
1997, Fact Sheet 152-97
Introduction In times of floods and droughts, immediate access to river level data is important to officials charged with the responsibilities of protecting lives and property by taking actions to diminish the adverse effects of the emergency. The U.S. Geological Survey (USGS), in cooperation with many Federal, State, and local agencies,...
Hurricane Hortense: impact on surface water in Puerto Rico
Heriberto Torres-Sierra
1997, Fact Sheet 014-97
Late Monday night, September 9, and into the early morning hours of Tuesday, September 10, 1996, Hurricane Hortense passed over the southwestern part of Puerto Rico (inset). Hurricane Hortense made landfall as a Category One Hurricane (74 to 95 miles per hour) on the Saffir-Simpson Scale, with maximum sustained winds...
The Colorado River in Grand Canyon: how fast does it flow?
Julia B. Graf
1997, Fact Sheet 168-97
Opening the jet tubes at Glen Canyon Dam on March 26, 1996, released from Lake Powell a controlled flood of water that traveled down the Colorado River in Grand Canyon. How fast did the water move? How long did it take for water to reach a particular point along the...
Satellite image maps of Pakistan
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 109-97
Georeferenced Landsat satellite image maps of Pakistan are now being made available for purchase from the U.S. Geological Survey (USGS). The first maps to be released are a series of Multi-Spectral Scanner (MSS) color image maps compiled from Landsat scenes taken before 1979. The Pakistan image maps were originally developed...
The Cataclysmic 1991 Eruption of Mount Pinatubo, Philippines
Christopher G. Newhall, James W. Hendley II, Peter H. Stauffer
1997, Fact Sheet 113-97
The second-largest volcanic eruption of this century, and by far the largest eruption to affect a densely populated area, occurred at Mount Pinatubo in the Philippines on June 15, 1991. The eruption produced high-speed avalanches of hot ash and gas, giant mudflows, and a cloud of volcanic ash hundreds of...
Benefits of volcano monitoring far outweigh costs - the case of Mount Pinatubo
Chris G. Newhall, James W. Hendley II, Peter H. Stauffer
1997, Fact Sheet 115-97
The climactic June 1991 eruption of Mount Pinatubo, Philippines, was the largest volcanic eruption in this century to affect a heavily populated area. Because it was forecast by scientists from the Philippine Institute of Volcanology and Seismology and the U.S. Geological Survey, civil and military leaders were able to order...