A history of the relation of geology during the first 110 years of the U.S. Geological Survey to the development of public-land, Federal-science, and mapping policies and the development of mineral resources in the United States

from The National Geospatial-Intelligence Agency

York Co., circa 2003

GIS database download

using USGS maps to teach about Lewis & Clark

“Geodetic control is required to support mapping of the airports across the United States”

“An on-line utility that creates SVG (Scalable Vector Graphics) maps and profiles from GPS waypoints and tracks.’’

images from oct 2004 activity

high-quality, lightweight carbon fiber Surveyor’s tripods

The International Association of Geodesy (IAG) promotes scientific cooperation and research in geodesy on a global scale and contributes to it through its various research bodies

Founded in 1882, the Canadian Institute of Geomatics has evolved to be a non-profit scientific and technical association devoted to advancing the development of geomatics in Canada

as adopted by the Pennsylvania Society of Land Surveyors on July 10, 1998

good book on GPS in surveying applications

Mathematical recreations and land surveying joined when Thompson submitted a question to the 1766 Gentleman’s Diary connected to the Atherstone Enclosure of 1765

The mission of the ASPRS is to advance knowledge and improve understanding of mapping sciences and to promote the responsible applications of photogrammetry, remote sensing, geographic information systems (GIS), and supporting technologies.