Delta subsidence in California: The sinking heart of the state
S. E. Ingebritsen, M. E. Ikehara, D. L. Galloway, D.R. Jones
2000, Fact Sheet 005-00
The Sacramento-San Joaquin River Delta of California once was a great tidal freshwater marsh blanketed by peat and peaty alluvium. Beginning in the late 1800s, levees were built along the stream channels, and the land thus protected from flooding was drained, cleared, and planted. Although the Delta is now an...
U.S. Geological Survey Information Sources
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 043-00
As the nation's largest water, earth and biological science and civilian mapping agency, the U.S. Geological Survey (USGS) works in cooperation with more than 2000 organizations across the country to provide reliable, impartial, scientific information to resource managers, planners, and other customers. This information is gathered in every state by...
Naturally occurring radionuclides in the ground water of southeastern Pennsylvania
Ronald A. Sloto
2000, Fact Sheet 012-00
Naturally occurring radionuclides in the ground water of southeastern Pennsylvania may pose a health hazard to some residents, especially those drinking water from wells drilled in the Chickies Quartzite. Water from 46 percent of wells sampled in the Chickies Quartzite and 7 percent of wells sampled in other geologic formations...
Finding your way with map and compass
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 079-99
A topographic map tells you where things are and how to get to them, whether you're hiking, biking, hunting, fishing, or just interested in the world around you. These maps describe the shape of the land. They define and locate natural and manmade features like woodlands, waterways, important buildings, and bridges. They show the distance between any two places,...
Geologic framework and processes of Lake Pontchartrain, Louisiana
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 025-00
Exposing the sea floor: high resolution multibeam mapping along the U.S. Pacific coast
James V. Gardner, Peter Dartnell, Helen Gibbons, Duncan MacMillan
2000, Fact Sheet 013-00
Vermont
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 047-99
Living with a restless caldera: Long Valley, California
David P. Hill, Roy A. Bailey, Michael L. Sorey, James W. Hendley II, Peter H. Stauffer
2000, Fact Sheet 108-96
No abstract available ...
Volcanic ash fall - a "hard rain" of abrasive particles
Christopher A. Kenedi, Steven R. Brantley, James W. Hendley II, Peter H. Stauffer
2000, Fact Sheet 027-00
South Dakota
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 043-99
Determining the occurrence of pesticides and volatile organic compounds in public water-supply source waters in Texas
B.J. Mahler
2000, Fact Sheet 010-00
Estimated water withdrawals and use in Pennsylvania, 1995
Russell A. Ludlow, William A. Gast
2000, Fact Sheet 174-99
In practical terms, water use is divided into two basic types: instream use and offstream use. Instream use is water used in its natural channel, basin, or behind a dam and includes activities such as fishing, boating, and other recreational activities. Instream use also includes hydroelectric power generation. Off-stream use...
Peligros de deslizamientos [Landslide Hazards]
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 072-00
Deslizamientos, flujos de escombrera y desastres geológicos similares provenientes de volcanes ocurren alrededor del mundo. Cada año estos desastres causan billones de dólares en pérdidas y un sinnúmero de fatalidades y heridos. El primer paso para reducir los efectos dañinos causados por estos desastres es el conocimiento y educación acerca...
USGS world petroleum assessment 2000; new estimates of undiscovered oil and natural gas, including reserve growth, outside the United States
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 070-00
Oil and natural gas account for approximately 63 percent of the world’s total energy consumption. The U.S. Geological Survey periodically estimates the amount of oil and gas remaining to be found in the world. Since 1981, each of the last four of these assessments has shown a slight increase in...
How old is "Cinder Cone"? — Solving a mystery in Lassen Volcanic National Park, California
Michael A. Clynne, Duane E. Champion, Deborah A. Trimble, James W. Hendley II, Peter H. Stauffer
2000, Fact Sheet 023-00
No abstract available....
Mississippi
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 025-99
Federally owned coal and federal lands in the Northern Rocky Mountains and Great Plains Region
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 011-00
El Nino storms erode beaches on Monterey Bay, California
John R. Dingler
2000, Fact Sheet 026-00
Landslide Hazards
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 071-00
Landslide hazards occur in many places around What Can You Do If You Live Near Steep Hills? the world and include fast-moving debris flows, slow-moving landslides, and a variety of flows and slides initiating from volcanoes. Each year, these hazards cost billions of dollars and cause numerous fatalities and injuries....
Wisconsin
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 051-99
Wyoming
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 052-99
Public water-supply use in Kansas, 1987–97
Joan F. Kenny
2000, Fact Sheet 187-99
Annual State reporting requirements yield data on public water-supply use in Kansas. data is essential for responsible and effective use of the information by various State agencies. This fact sheet describes water-use data evaluation, illustrates variations in public-supply water use from 1987 through 1997, and documents improvements in water conservation...
Trends in surface-water quality during implementation of best-management practices in Mill Creek and Muddy Run Basins, Lancaster County, Pennsylvania
Edward H. Koerkle
2000, Fact Sheet 168-99
Analyses of water samples collected over a 5-year period (1993-98) in the Mill Creek and Muddy Run Basins during implementation of agricultural best-management practices (BMP’s) indicate statistically significant trends in the concentrations of several nutrient species and in nonfilterable residue (suspended solids). The strongest trends identified were those indicated by...
Using OTIS to model solute transport in streams and rivers
Robert L. Runkel
2000, Fact Sheet 138-99
Solute transport in streams and rivers is governed by a suite of hydrologic and geochemical processes. Knowledge of these processes is needed when assessing the fate of contaminants that are released into surface waters. The study of solute fate and transport often is aided by solute transport models that mathematically...
Washington
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 049-99
