Maps and Mapping Agencies

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Altimeters from Thommen
Astronomical Maps
Aviation [Navigation] Formulary   by Ed Williams

CIA Maps & Publications
Collection (Maps) - Libraries, University of Texas at Austin
Coordinate Systems
Compasses from Brunton
Compasses from Silva
Compasses from Suunto
    Finding Your Way with Map and Compass

Detailed Maps for Genealogy   Ames, Iowa

Digital Maps
    Digital Elevation Model (DEM) (State Maps)
    Download Topographic Maps

Electronic Navigational Charts (NOAA)

Geographer's Craft -- Map Projection Overview - These materials were developed by Peter H. Dana, Department of Geography, University of Texas at Austin, 1995. These materials may be used for study, research, and education in not-for-profit applications. If you link to or cite these materials, please credit the author, Peter H. Dana, The Geographer's Craft Project, Department of Geography, The University of Colorado at Boulder.

Geodetic Tool Kit (NGS) - On-line interactive computation of geodetic values.
Geodetic Software (Free for PC from NGS)

Geoid: The equipotential surface of the Earth's gravity field which best fits, in a least squares sense, global mean sea level. Orthometric Height (MSL)

Geographic Information Systems (GIS)
Geological Information and Maps of Iowa

Geomagnetic Data --The National Geophysical Data Center maintains archives of geomagnetic data to further the understanding of Earth magnetism and the Sun-Earth environment. Data at NGDC include surface, ocean, airborne and satellite measurements, as well as models of the main field and its secular change, and models of the Space - Earth environment.

GeoMagnetic Charts based on IGRF2000
Geomagnetism Program of the Geological Survey of Canada (GSC)

GIS Facility at Iowa State University - The GIS Support and Research Facility is a public computing facility established to support the use of geographic information system (GIS) technology at Iowa State University. The mission of the facility is to provide a high level GIS research support laboratory for students, faculty and staff as well as to provided GIS education and outreach to the ISU community and the state of Iowa.
    Iowa Geographic Map Server

Google Maps

Gravity (Surface) Prediction
Gravity Anomaly Maps

Historic Trails Research

NGS - National Geodetic Survey - NOAA's National Geodetic Survey (NGS) defines and manages a national coordinate system. This network, the National Spatial Reference System (NSRS), provides the foundation for transportation and communication; mapping and charting; and a multitude of scientific and engineering applications. Geodetic Resources

National Geospatial-Intelligence Agency (NGA) provides timely, relevant and accurate geospatial intelligence in support of national security. NGA, formerlly the National Imagery and Mapping Agency (NIMA), was established October 1, 1996 to address the expanding requirements in the areas of imagery, imagery intelligence, and geospatial intelligence.   Publications

National Park Service - The National Park Service is dedicated to conserving unimpaired the natural and cultural resources of the nation's parklands, and through a variety of national and international programs, extending the benefits of natural and cultural resource conservation and outdoor recreation to people throughout this country and the world.

Satellite Imagery Resources
Satellite Imagery Proto-FAQ

U.S. Geological Survey (USGS) - Maps, Products, and Publications

USDA - Forest Service - Maps & Brochures - Many specialty maps and brochures are available from individual forests and the National Forest Store covering specific trails, Wilderness Areas and other special areas. The US Geological Survey also sells many other map products covering the national forests and grasslands.

UTM - Universal Transverse Mercator

View Above Earth
Weather Maps



Copyright 2010 - Samuel J. Wormley