GIS gain much of their power from being able to collate and cross-reference many types of data by location.

This document describes an RDF vocabulary for representing WGS84 (world geodesic survey) lat/long/alt positioning.

The latest surveying and GPS technology create a complete GIS of a sunken battleship from the attack on Pearl Harbor

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

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”

Federal Geodetic Control Subcommittee Blue Book

image taken at Mt. St. Helens on October 4, 2004

images from oct 2004 activity

“…point and fly to hundreds of US and international cities. Zoom down to detail showing individual buildings, search for existing businesses by name or category, even fly to a specific address”

high-quality, lightweight carbon fiber Surveyor’s tripods

“The Readjustment of the NSRS is scheduled to commence in June 2005 and is scheduled for completion February 10, 2007.”

Digital Elevation Modeling and Mapping Digital Elevation Models

providing survey and mapping services to public and private organisations since 1975

“GPS surveying has become one of the cornerstones of our business”