Category Archives: Surveying

Out of Many, One

Artful GNSS

Things in the nation’s capital can happen quickly, but only when the parties involved agree to work closely together towards a common goal. Internationally renowned artist Jorge Rodriquez-Gerada was given six months to develop a plan and complete a six-acre painting using sand and topsoil. His canvas would be an incredibly high-profile piece of National...


The Coordinate

A steel fence post blended into the backyard, as if it were meant to be there for some purpose, like holding up firewood or stacking lumber. The surveyors—Igor “Eager” (The Kid) Kidinsky and Glenny “Glutton” (The Old Man) Dale—were looking for property pins along the alley, and neither one at first glance recognized this steel...

In this most accurate model of the geoid (by the European Space Agency’s GOCE mission), the colors represent deviations in height from an ideal 
geoid. Courtesy of ESA/HPF/DLR.

Canada’s New Vertical Datum: CGVD2013

Geodesy Editor’s Note: The study of Earth’s gravity field is one of the most important aspects of physical geodesy. While seldom mentioned in land surveying text books or discussed at local surveying, mapping, or GIS conferences, it is nonetheless one of the most important issues that geospatial experts deal with on a daily basis.   Changing...


Setting a Standard in Railway Renewal

A highly traveled section of the UK’s West Coast Mainline rail corridor (between Warrington and Preston) required the renewal of three miles (five km) of track among four major junctions. In an intensive, nine-day continuous spell, the innovation team at Network Rail completed the work almost 16 months earlier than proposed—and avoided disrupting rail travel....


An Interview with Ken Jennings

Speaker, Author, Geographer (and 74 -time winner of the popular game show, Jeopardy)   Ken Jennings, the winningest champion in the history of the TV quiz show Jeopardy, is widely celebrated as one of America’s smartest people. He is a busy guy; he makes appearances worldwide on television and at events and has authored numerous...


Wetlands Synergism

Professional interdependency is at the core of this project for acquiring federal conservation easements and restoring wetlands in Tennessee. Each item we touch these days has been shaped by a village of experts, from that cell phone in your pocket to the water coming out of the nearest drinking fountain. The surveying and engineering professions...