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Topography
The shape of the land surface.
Subtopics:
Bathymetry (24 items)
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Results 1 - 10 of 59 listed by similarity [list alphabetically]
Data from the Shuttle Radar Topography Mission [More info]
Topographic observations from the SRTM, both original and reprocessed to correct missing and spurious data points.
Tapestry of time and terrain: union of two maps, geology and topography [More info]
Colored map compiled by merging geologic and topographic maps of the United States through computer processing and enhancement with links to panoramic movie using QuickTime, descriptions of features, and a game entitled Puzzle of Regions.
PDF National Enhanced Elevation Assessment at a glance [More info]
We asked what enhanced elevation data people need, what would be the costs and benefits, and what would be the best ways to obtain these data.
PDF The 3D Elevation Program -- Summary of Program Direction [More info]
Strategy to be used to improve elevation data in support of many public concerns addressed by multiple Federal and state agencies.
PDF Use of Light Detection and Ranging (LiDAR) to Obtain High-Resolution Elevation Data for Sussex County, Delaware [More info]
Methods and techniques used to collect and process LiDAR elevation data, the generation of the digital elevation model (DEM) and the 2-foot contours, and the quality-assurance procedures and results.
Access USGS - San Francisco Bay and Delta [More info]
Main page for accessing links for information and data on the San Francisco Bay estuary and its watershed with links to highlights, water, biology, wetlands, hazards, digital maps, geologic mapping, winds, bathymetry and overview of the Bay.
Aquatic features, bathymetry, and navigation structures in the upper Mississippi River [More info]
Geospatial hydrologic and reference data covering the upper Mississippi River, provided in formats appropriate to geographic information systems (GIS) and used in long-term resource monitoring of the area.
Atlantic margin offshore sediments: cooperative database and GIS development website [More info]
This site is designed to provide information on federal interagency and cooperative developments related to coastal sand and gravel resources and management issues along the Atlantic continental margin.
Atlas of Antarctic research [More info]
Entry to the Atlas of Antarctic Research giving a common base map for displaying research results, data, and descriptions of projects. Layers can be viewed or downloaded as Digital Elevation Models (DEMs), digital aerial photos, and satellite images.
Bedrock geology of the Yosemite Valley area Yosemite National Park, California [More info]
Site explains the general bedrock geology of the Yosemite Valley area.
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