Category Archives: Surveying

Fundamentals of Geodesy

Part 1: An Introduction Editor’s note: With this article we start an overview of GeoLearn courses offered by Dave Doyle, former chief geodetic surveyor for the National Geodetic Survey and geodesy editor of xyHt.  GeoLearn (geo-learn.com) is an online education business helping professionals reach mandatory continuing education requirements and sort through everyday work issues. Dave’s...

Boundary Survey

The Record 1/16 Corner

Glenny Dale (The Old Man), picked his way slowly through the pines, looking down and left and right, trying to remember where the old pipe was. Two Steller’s Jays perched on a pine branch directly above. One of them blended into the deep blue sky, the other into the black pine shadows. Their slightest flicker...

Indiana Jones With a Tripod

Why choose surveying as a career? Read this. My desk is a mess right now: stacks of old field books, dusty quadrangle maps, and a plumb bob serving as a paper weight for my research notes. I have to look under a pile of mining claims to find my trusty compass. I tuck the compass...

NSPS President’s Message to the Membership

A message to the membership of the National Society of Professional Surveyors (NSPS)  from the NSPS President Jon Warren, PLS To all our new members, “welcome to your National Society of Professional Surveyors (NSPS)”, and to our previous members, “welcome to your new NSPS!”  And, borrowing a phrase from a past NSPS President and Chairman of...

The deputy director told xyHt that NGA wanted to have a bigger role.

NGA’s Involvement With Our World

Above: The deputy director says that NGA wants to have a bigger role. Editor’s Note: On July 23, xyHt editors Gavin Schrock and Dave Doyle were invited to address an audience of professionals at the headquarters of the federal government’s National Geospatial-Intelligence Agency (NGA) in Springfield, Virginia. While this was a closed-door session held to...

Common Research Mistakes Surveyors Make, Part 2

Road Records, Easements, and Probate Records In a previous article (July 2015) I explain two of the five common mistakes made by surveyors in researching the records: mistakes made in determining senior title and the deficiency existing when a forward search is omitted. The remaining of the five common mistakes often made by surveyors are...