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3813 results.

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Page 77, results 1901 - 1925

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Publication Extents

Not all publications have extents, not all extents are completely accurate
National Urbanization Monitoring Assessment (NUMA)
Dave Hester
2006, Fact Sheet 2006-3040
A core geographic science element of the U.S. Geological Survey's Geographic Analysis and Monitoring (GAM) Program is to monitor land-surface change for the Nation through time. The Nation's land surface is dynamically evolving and transitioning in response to natural and human processes. The need to understand the transformations and locations where...
The Environmental Monitoring and Assessment Program (EMAP)-West: Summary of activities and accomplishments in South Dakota, 2000-2004
Allen J. Heakin, Kathleen M. Neitzert
2006, Fact Sheet 2006-3001
The Environmental Monitoring and Assessment Program (EMAP)-West was initiated in South Dakota in 2000 by the U.S. Environmental Protection Agency (USEPA). The two primary objectives of the surface waters component of EMAP-West were to (1) develop the monitoring tools (biological indicators, stream survey design, estimates of reference condition) necessary...
The U.S. Geological Survey and City of Atlanta water-quality and water-quantity monitoring network
Arthur J. Horowitz, W. Brian Hughes
2006, Fact Sheet 2005-3126
Population growth and urbanization affect the landscape, and the quality and quantity of water in nearby rivers and streams, as well as downstream receiving waters (Ellis, 1999). Typical impacts include: (1) disruption of the hydrologic cycle through increases in the extent of impervious surfaces (e.g., roads, roofs, sidewalks) that increase...
Geography at the U.S. Geological Survey
Water Resources Division, U.S. Geological Survey
2006, Fact Sheet 2006-3038
Geography ? the science of place ? is a bridging, integrating, and synthesizing field because place is a pivotal study element in all the natural sciences. We work to combine our talents with USGS scientists in other disciplines in pursuing the USGS mission ? Science for a Changing World....
Hawaii Forest Bird Interagency Database Project: Collecting, Understanding, and Sharing Population Data on Hawaiian Forest Birds
Thane K. Pratt, Bethany L. Woodworth, Richard J. Camp, P. Marcos Gorresen
2006, Fact Sheet 2006-3013
The forest birds of the Hawaiian Islands are distinguished by the diversity of endemic forms derived from a small number of ancestral colonists. However, the avifauna has been decimated by human activities both before and after Western contact. At least 71 species or subspecies disappeared before the arrival of Capt. James Cook in 1778, and...
Earthquake information products and tools from the Advanced National Seismic System (ANSS)
Lisa Wald
2006, Fact Sheet 2006-3050
This Fact Sheet provides a brief description of postearthquake tools and products provided by the Advanced National Seismic System (ANSS) through the U.S. Geological Survey Earthquake Hazards Program. The focus is on products specifically aimed at providing situational awareness in the period immediately following significant earthquake events....
Arsenic in coal
Allan Kolker, Curtis A. Palmer, Linda J. Bragg, Joseph E. Bunnell
2006, Fact Sheet 2005-3152
Assessment of undiscovered oil and gas resources of the Mackenzie Delta province, North America, 2004
Mitchell E. Henry, Thomas S. Ahlbrandt, Ronald R. Charpentier, Donald L. Gautier, Timothy R. Klett, Richard M. Pollastro, Christopher J. Schenk, Gregory F. Ulmishek
2006, Fact Sheet 2006-3002
Using a geology-based assessment methodology, the U.S. Geological Survey estimated a mean of 40 trillion cubic feet of undiscovered nonassociated gas, a mean of 10.5 billion barrels of undiscovered oil (with 46.6 trillion cubic feet of associated gas), and a mean of 4.0 billion barrels of undiscovered natural gas liquids...
Feral Pigs, Introduced Mosquitoes, and the Decline of Hawai'i's Native Birds
Dennis A. LaPointe
2006, Fact Sheet 2006-3029
The introduction of mosquitoes, avian pox, and avian malaria to the Hawaiian Islands has had a profound effect on the geographical distribution and population number of highly susceptible Hawaiian honeycreepers, and likely contributed to the extinction of several species. While the mosquito vector (disease-carrier) is most closely associated with human...
Feral Cats: Too Long a Threat to Hawaiian Wildlife
Steven C. Hess, Paul C. Banko
2006, Fact Sheet 2006-3006
BACKGROUND Domestic cats (Felis catus) were first brought to Hawai`i aboard sailing ships of European explorers and colonists. The job of these predators was to control mice and rats on the ships during the long voyages. As in other places, cats were taken in and adopted by the families of Hawai`i...
Helping solve Georgia's water problems - the USGS Cooperative Water Program
John S. Clarke
2006, Fact Sheet 2006-3032
The U.S. Geological Survey (USGS) addresses a wide variety of water issues in the State of Georgia through the Cooperative Water Program (CWP). As the primary Federal science agency for water-resource information, the USGS monitors the quantity and quality of water in the Nation's rivers and aquifers, assesses the sources...