Navigation Measuring Instrument

Key Milestones in US Surveying History

US surveying history unveils exploration, conflict, and innovation from colonial days to GPS precision, shaping the map and nation through key milestones like the Mason-Dixon Line, PLSS, Lewis and Clark Expedition, Homestead Act, USGS, Transcontinental Triangulation, Satellite Mapping, GPS Revolution, and modern technologies heralding a future of precision and progress.