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The exchange program was modeled after a program used by Dr. Ferdinand V. Hayden when he was head of the Interior Department's U.S. Geological and Geographical Survey of the Territories (1867–1879). The U.S. Geological Survey Library inherited 1,000 volumes of serials from Dr. Hayden's former exchange program, which he had based on the ...
NHGIS provides free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2012. Atlas of Historical County Boundaries Project (AHCBP) The AHCBP documents all boundary changes in states and counties in United States territory, including non-county areas never before compiled or mapped ...
There are also many different types of geodata, including vector files, raster files, geographic databases, web files, and multi-temporal data. Spatial data or spatial information is broader class of data whose geometry is relevant but it is not necessarily georeferenced , such as in computer-aided design (CAD), see geometric modeling .
The National Map is a significant contribution to the U.S. National Spatial Data Infrastructure (NSDI) from the Federal Geographic Data Committee (FGDC) and currently is being transformed to better serve the geospatial community by providing high quality, integrated geospatial data and improved products and services including new generation ...
OMB Circular A-16, revised August 19, 2002, is a Government circular that was created by the United States Office of Management and Budget (OMB) to provide guidance for federal agencies that create, maintain or use spatial data directly or indirectly through the establishment of the National Spatial Data Infrastructure (NSDI) and the Federal ...
The National Center for Geographic Information and Analysis (NCGIA) was founded in 1988 and hosted at three member campuses: The University of California, Santa Barbara; the State University of New York at Buffalo; and the University of Maine. The center was founded after receiving a $5 million grant from the National Science Foundation. Ron ...
The society encourages activities that expands geographical knowledge, and the interpretation of that knowledge so that it can be useful to geographers and other disciplines, especially in a policymaking environment. It is the oldest [3] nationwide geographical organization in the United States. Over the century and a half of its existence, the ...
The Geographical Journal is a quarterly peer-reviewed academic journal of the Royal Geographical Society (with the Institute of British Geographers). It publishes papers covering research on all aspects of geography. It also publishes shorter Commentary papers and Review Essays. [1]