With it the united states has largely blunted any desire on the part of south korea, japan and most of the european states from siding against the united states in any meaningful way the military side of this policy is equally important. Area comparative: the area of various small countries expressed in comparison to various areas within the united states of america area land: total land area in square kilometres. 27 ideas for teaching with topographic maps the usgs publishes approximately 57,000 different topographic maps covering the united states topographic maps show contour lines (elevation and landforms), hydrography (rivers, lakes, marshes), transportation (roads, trails, railroads, airports), vegetation, boundaries, survey markers, urban areas, buildings, and a variety of other features. The official repository of geographic names data for the us contains information about physical and cultural geographic features of all types in the united states and defines the feature location by state, county, usgs topographic map, and geographic coordinates. Buried at shallow depths in the contiguous united states (fig 1) (2) karst and potential karst areas in soluble rocks (for example, limestone and dolomite) in alaska, hawaii, puerto rico, and the us.
Topography is the study of the shape and features of the surface of the earth and other observable astronomical objects including planets, moons, and asteroids the topography of an area could refer to the surface shapes and features themselves, or a description (especially their depiction in maps. The constitution of the united states of america: analysis and interpretation, popularly known as the constitution annotated, encompasses the us constitution and analysis and interpretation of the us constitution with in-text annotations of cases decided by the supreme court of the united states. Explore a range of easy-to-understand climate maps in a single interface featuring the work of noaa scientists, each snapshot is a public-friendly version of an existing data product. a people's history of the united states is a 1980 non-fiction book by american historian and political scientist howard zinn in the book, zinn seeks to present american history through the eyes of the common people rather than political and economic elites.
Categories of water use in the united states in 2000, 1995, and 1990, by state, with data available by county map-based data from over 1,000 wells where data typically are recorded at 15- to 60-minute intervals ground water atlas of the united states groundwater resources of regional areas in the. Historic maps originally published as paper documents in the period 1884-2006 are available as scanned images geologic maps we produce digital geologic maps of the united states with consistent lithology, age, gis database structure, and format. An analysis of school participation decisions in two voucher programs in the united states a majority of the 17 evaluations of voucher programs in the united states found statistically. The value of mineral production by state in the united states the data represent commodities covered by the national minerals information center of the us geological survey federal government mineral exploration-assistance program files.
Real-time data providing real-time or near real-time data and information on current conditions and earth observations. This paper describes a spatial analysis of poverty in the united states at the county level for 2000 spatial statistical techniques in a geographic information system were used to quantify significant spatial patterns, such as concentrated poverty rates and spatial outliers. The spatial domain encompasses six states in the southwestern united states: arizona, new mexico, texas, oklahoma, arkansas, and louisiana this region covers an area of 1,780,636 km 2 and represents more than 18% of the contiguous united states. The conterminous united states was divided into grid cells 1/4 degree of latitude by 1/3 degree of longitude each grid cell was assigned a wind power class ranging from 1 to 6, with 6 being the windiest.
Finally, the topography of the pacific ocean varies even more drastically near large landmasses and islands some coastlines along the pacific are rugged and have high cliffs and nearby mountain ranges such as the west coast of the united states. Volume 4: no 4 october 2007 suggested citation for this article: holt jb the topography of poverty in the united states: a spatial analysis using county-level data from the community health status. Find data usgs energy data finder: download gis and tabular data, databases, geospatial web services (arcgis, wms, kml. The term united states, when used in the geographical sense, is the contiguous united states, the state of alaska, the island state of hawaii, the five insular territories of puerto rico, northern mariana islands, us virgin islands, guam, and american samoa, and minor outlying possessions.
Pathfinder ii corneal analysis software for the atlas corneal topography system (model 9000) is a comprehensive, easy to understand, and reliable anterior topographic screening tool to assist with refractive surgery screening and to help identify abnormal corneal conditions for monitoring and follow-up. Data, maps & analysis geospatial data gateway provides one stop shopping for natural resources or environmental geospatial data at anytime, from anywhere, to anyone. This report summarizes aggregate change in the eastern united states and specific characteristics of change occurring in each of 20 eastern us ecoregions regional synthesis as part of a national assessment of us land change, the usgs recently completed an analysis of 20 eastern us ecoregions (fig 1.
United states, officially united states of america, abbreviated us or usa, byname america, country in north america, a federal republic of 50 states besides the 48 conterminous states that occupy the middle latitudes of the continent, the united states includes the state of alaska, at the northwestern extreme of north america, and the island state of hawaii, in the mid-pacific ocean. The publications warehouse contains over 150,000 publications that cover the 150 year history of the usgs an official website of the united states government.
The topography of poverty in the united states: a spatial analysis using county-level data from the community health status indicators project. Analysis of watershed topography effects on summer precipitation variability in the southwestern united states - texas a&m university (tamu) scholar profile, educations, publications, research, recent courses, and student works. Litcharts assigns a color and icon to each theme in a people's history of the united states, which you can use to track the themes throughout the work the american people the establishment.