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Page 2817, results 70401 - 70425

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Preliminary geologic map of the Murrieta 7.5' quadrangle, Riverside County, California
Michael P. Kennedy, Douglas M. Morton
2003, Open-File Report 2003-189
The Murrieta quadrangle is located in the northern part of the Peninsular Ranges Province and includes parts of two structural blocks, or structural subdivisions of the province. The quadrangle is diagonally crossed by the active Elsinore fault zone, a major fault zone of the San Andreas fault system, and...
An Account of Preliminary Landslide Damage and Losses Resulting from the February 28, 2001, Nisqually, Washington, Earthquake
Lynn M. Highland
2003, Open-File Report 2003-211
The February 28, 2001, Nisqually, Washington, earthquake (Mw = 6.8) damaged an area of the northwestern United States that previously experienced two major historical earthquakes, in 1949 and in 1965. Preliminary estimates of direct monetary losses from damage due to earthquake-induced landslides is approximately $34.3 million. However, this figure does...
Earthquakes of the Central United States, 1795-2002
Russell L. Wheeler
2003, Open-File Report 2003-232
This report describes construction of a list of Central U.S. earthquakes to be shown on a large-format map that is targeted for a non-technical audience. The map shows the locations and sizes of historical earthquakes of magnitude 3.0 or larger over the most seismically active part of the central U.S.,...
Digital depth horizon compilations of the Alaskan North Slope and adjacent Arctic regions
Richard W. Saltus, Kenneth J. Bird
2003, Open-File Report 2003-230
Data have been digitized and combined to create four detailed depth horizon grids spanning the Alaskan North Slope and adjacent offshore areas. These map horizon compilations were created to aid in petroleum system modeling and related studies. Topography/bathymetry is extracted from a recent Arctic compilation of global onshore DEM and...
Relations of biological indicators to nutrient data for lakes and streams in Pennsylvania and West Virginia, 1990-98
Robin A. Brightbill, Edward H. Koerkle
2003, Water-Resources Investigations Report 2003-4033
The Clean Water Action Plan of 1998 provides a blueprint for federal agencies to work with states, tribes, and other stakeholders to protect and restore the Nation's water resources. The plan includes an initiative that addresses the nutrient-enrichment problem of lakes and streams across the United States. The U.S. Environmental...
Worldwide asbestos supply and consumption trends from 1900 to 2000
Robert L. Virta
2003, Open-File Report 2003-83
The use of asbestos is one of the most controversial issues surrounding the industrial minerals industry. Its carcinogenic nature, an overall lack of knowledge of minimum safe exposure levels, its widespread use for more than 100 years, and the long latency for the development of lung cancer and mesothelioma are...
Preliminary northeast Asia geodynamics map
Leonid M. Parfenov, Alexander I. Khanchuk, Gombosuren Badarch, Robert J. Miller, Vera V. Naumova, Warren J. Nokleberg, Masatsugu Ogasawara, Andrei V. Prokopiev, Hongquan Yan
2003, Open-File Report 2003-205
This map portrays the geodynamics of Northeast Asia at a scale of 1:5,000,000 using the concepts of plate tectonics and analysis of terranes and overlap assemblages. The map is the result of a detailed compilation and synthesis at 5 million scale and is part of a major international collaborative study...
Reactive-transport simulation of phosphorus in the sewage plume at the Massachusetts Military Reservation, Cape Cod, Massachusetts
David L. Parkhurst, Kenneth G. Stollenwerk, John A. Colman
2003, Water-Resources Investigations Report 2003-4017
The subsurface transport of phosphorus introduced by the disposal of treated sewage effluent to ground-infiltration disposal beds at the Massachusetts Military Reservation on western Cape Cod was simulated with a three-dimensional reactive-transport model. The simulations were used to estimate the load of phosphorus transported to Ashumet Pond during operation of...
Reconnaissance of mercury in lakes, wetlands, and rivers in the Red River of the North Basin, North Dakota, March through August 2001
Steven K. Sando, G.J. Wiche, R.F. Lundgren, Bradley A. Sether
2003, Water-Resources Investigations Report 2003-4078
Devils Lake rose dramatically during the 1990's, causing extensive flood damages. Because of the potential for continued flooding, the U.S. Army Corps of Engineers has been conducting studies to evaluate the feasibility of constructing and operating an outlet from Devils Lake. The occurrence of mercury in lakes, wetlands, and rivers...
Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of acetamide herbicides and their degradation products in water using online solid-phase extraction and liquid chromatography/mass spectrometry
E.A. Lee, A.P. Strahan
2003, Open-File Report 2003-173
An analytical method for the determination of 6 acetamide herbicides (acetochlor, alachlor, dimethenamid, flufenacet, metolachlor, and propachlor) and 16 of their degradation products in natural water samples using solid-phase extraction and liquid chromatography/mass spectrometry is described in this report. Special consideration was given during the development of the method to...