Geomatics Canada - Responsible for delivering the federal government's geomatics activities and fostering growth in the Canadian geomatics industry - http://ess.nrcan.gc.ca/geocan/
Geoscience Australia - The national agency for geoscience research and geospatial information. - http://www.ga.gov.au/
www.resurvey.org - Privately supported site established as a reference for land surveyors working in the public land survey system. - http://www.resurvey.org/
Florida Geomatics - Outlines programs and national, state and local resource links for land surveyors. - http://www.floridageomatics.com/
FGCS Federal Geodetic Control Subcommittee - Exercises government leadership in coordinating the planning and execution of geodetic surveys, in developing standards and specifications, and the exchange of survey data and technical information. - http://www.ngs.noaa.gov/FGCS/
U.S. Geological Survey - The U.S. Geological Survey provides the Nation with reliable, impartial information to describe and understand the Earth. - http://www.usgs.gov/
CORS Data - Surveyors, GIS/LIS professionals, engineers, scientists, and others can apply CORS data to position points at which GPS data have been collected. The CORS system enables positioning accuracies that approach a few centimeters relative to the National Spa - http://www.ngs.noaa.gov/CORS/cors-data.html
BLM National Home Page - The Bureau of Land Management administers 264 million acres of public lands, located primarily in the 12 Western States, containing natural, historical, cultural, recreational, and economic resources. - http://www.blm.gov/