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Geography
Study of the earth's landforms, topography, and climate, the distribution of flora and fauna, and the distribution, culture, and activities of human populations.
Subtopics:
Cartography (63 items)
Paleogeography (1 items)
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Results 111 - 120 of 204 listed by similarity [list alphabetically]
PDF Net Ecosystem Production (NEP) of the Great Plains, United States [More info]
Geographic analysis of the changes in storage and release of carbon in this large area as land use patterns, especially agriculture, have changed.
Ohio Gap Analysis Project [More info]
Information on the Gap Analysis Program in Ohio, a geographic approach to planning for biological diversity by mapping native aquatic and terrestrial animal species and natural communities on present-day conservation lands.
Online assessment of hydrologic conditions in Texas [More info]
Brief summaries of USGS projects in Texas including water quality monitoring, digital mapping, energy resources, U.S.-Mexico border mapping, fish and wildlife health, Kemp's Ridley sea turtle, and conditions affecting water quality.
Optical Science Laboratory [More info]
Site for the Optical Science Laboratory specializing in expert calibration of aerial mapping cameras with links to fees, scheduling cameras for calibration, historical camera database files, USGS aerial camera specifications, and how to visit.
Overview of the greenness of the conterminous U.S. [More info]
Site to learn about, view, and order digital image vegetation condition (greenness) maps of the conterminous U.S. based on the Normalized Difference Vegetation Index (NDVI) with imagery from Advanced High Resolution Radiometer (AVHRR).
PDF Pikes Peak, Colorado [More info]
Printable poster commemorating the 200th anniversary of Zebulon M. Pike's first sighting of the iconic peak bearing his name.
Planetary GIS web server - PIGWAD (Planetary Interactive G.I.S.-on-the-Web Analyzable Database) [More info]
Planetary Interactive G.I.S.-on-the-Web Analyzable Database (PIGWALD), an interface to support and integrate Geographic Information Systems (GIS) graphical, statistical, and spatial relational tools for analyses of planetary datasets.
Quadrangle indexes [More info]
GIS data files containing approximate boundaries of the various USGS quadrangles, with names and indexing codes associated with each quadrangle.
Rocky Mountain Mapping Center [More info]
Home page for the USGS Rocky Mountain Mapping Center in Denver, CO with mapping activities in the western U.S. and links to research activities, products, mapping liaisons, and education.
San Francisco Bay Area Regional Database (BARD) [More info]
Download or view digital elevation models of this area.
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