Boundaries & Land Rights
Andrew Ellicott: Drawing America’s Southern Line
From Washington’s future streets to the border of Spanish Florida, Andrew Ellicott turned national ambitions into lines on the…
Surveying connects us to place
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Thomas Cooley’s enduring essay asks surveyors to recover established boundaries, investigate the evidence, and recognize the limits of a beautifully measured line.
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Boundaries & Land Rights
From Washington’s future streets to the border of Spanish Florida, Andrew Ellicott turned national ambitions into lines on the…
Tools & Technology
A new GAO audit follows GPS from orbit to ground control to the equipment using its signals, revealing why…
Measuring the World
Optical atomic clocks can sense differences in gravitational potential, opening a path toward measuring physical height through the rate…
Different perspectives
A more accurate world