Placer gold mining in Alaska - cooperative studies on the effect of suction dredge operations on the Fortymile River
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 155-97
New England coastal basins
J. D. Ayotte, Keith W. Robinson
1997, Fact Sheet 060-97
Metal Concentrations in Sediments of Boston Harbor and Massachusetts Bay Document Environmental Change
Michael H. Bothner
1997, Fact Sheet 150-97
Monitoring earthquakes across the United States
Ray P. Buland, Harley Mitchell Benz, William M. Brown
1997, Fact Sheet 146-97
Irrigation and Surface-Water Quality in the Quincy and Pasco Basins, Washington
Moon H. Kim, James C. Ebbert
1997, Fact Sheet 080-97
Earthquake Information For the World
Waverly J. Person, Madeleine D. Zirbes, William M. Brown
1997, Fact Sheet 125-97
Living with volcanic risk in the Cascades
Daniel Dzurisin, Peter H. Stauffer, James W. Hendley II
1997, Fact Sheet 165-97
The Cascade Range of the Pacific Northwest has more than a dozen potentially active volcanoes. Cascade volcanoes tend to erupt explosively, and on average two eruptions occur per century—the most recent were at Mount St. Helens, Washington (1980–86 and 2004–8), and Lassen Peak, California (1914–17). To help protect the Pacific...
Hurricane Hortense; impact on ground water in Puerto Rico
Fernando Gómez-Gómez
1997, Fact Sheet 012-97
Overview of the U.S. Geological Survey Chesapeake Bay Ecosystem Program
Scott Phillips, Bill Caughron
1997, Fact Sheet 124-97
Mineral-resource data bases
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 076-97
Data bases are essential for modern scientific research. The new and exciting work being done in the Mineral Resource Program in the U.S. Geological Survey (USGS) usually begins with the question, "Where are the known deposits?" A mineral-resource data base containing this type of information and more can be useful...
Lahars of Mount Pinatubo, Philippines
Christopher G. Newhall, Peter H. Stauffer, James W. Hendley II
1997, Fact Sheet 114-97
On June 15, 1991, Mount Pinatubo in the Philippines exploded in the second largest volcanic eruption on Earth this century. This eruption deposited more than 1 cubic mile (5 cubic kilometers) of volcanic ash and rock fragments on the volcano's slopes. Within hours, heavy rains began to wash this material...
Ground-water use of the principal aquifers in Puerto Rico during calendar year 1990
Wanda L. Molina-Rivera
1997, Fact Sheet 188-96
Natural and mining-related sources of dissolved minerals during low flow in the Upper Animas River Basin, southwestern Colorado
Winfield G. Wright
1997, Fact Sheet 148-97
El Nino and the National Landslide Hazard Outlook for 1997-1998
Jonathan W. Godt, Lynn M. Highland, William Z. Savage
1997, Fact Sheet 180-97
Natural and mining-related sources of dissolved minerals during low flow in the Upper Animas River Basin, southwestern Colorado
Winfield G. Wright
1997, Fact Sheet 148-97
As part of the Clean Water Act of 1972 (Public Law 92-500), all States are required to establish water-quality standards for every river basin in the State. During 1994, the Colorado Department of Public Health and Environment proposed to the Colorado Water Quality Control Commission (CWQCC) an aquatic-life standard of...
Introduction to Potential Fields: Magnetics
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 236-95
Taking the Earth's pulse
Robert L. Woodward, Harly M. Benz, William M. Brown III
1997, Fact Sheet 103-97
During the past 35 years, scientists have developed a vast network of seismometers that record earthquakes, volcanic eruptions, and nuclear explosions throughout the world. Seismographic data support disaster response, scientific research, and global security. With this network, the United States maintains world leadership in monitoring the greatest natural and technological...
Current Kansas Stream and Lake Information Available on the Internet for Water Recreationists
James E. Putnam
1997, Fact Sheet 138-97
Debris-flow hazards in the San Francisco Bay region
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 112-95
Assessment of streambed scour at bridges in Indiana
Gary Bennett
1997, Fact Sheet 97-141-97
Can the global carbon budget be balanced?
Helaine W. Markewich, Norman B. Bliss, Robert F. Stallard, Eric T. Sundquist
1997, Fact Sheet 137-97
The Mississippi Basin Carbon Project of the U.S. Geological Survey (USGS) is an effort to examine interactions between the global carbon cycle and human-induced changes to the land surface, such as farming and urbanization. Investigations in...
Have nitrate concentrations changed in water in the alluvial aquifer of the upper Black Squirrel Creek Basin since 1984?
Daniel L. Brendle
1997, Fact Sheet 072-97
Withdrawals of ground water and surface water in New Jersey, 1994
John P. Nawyn
1997, Fact Sheet 120-97
Floods in northern Illinois, July 1996
Robert R. Holmes Jr., Amit Kapadia
1997, Fact Sheet 097-97
Withdrawals of ground water and surface water in New Jersey, 1993
John P. Nawyn
1997, Fact Sheet 119-97