Tag Archives: San Joaquin Valley

Subsidence
Do you know where your control really is? Editor’s note: The earth moves, even if we do not want it to – or we do not perceive that it does. If you are surveyor working in any part of the country your work will be subject to some degree of subsidence or deformation – be...

xyHt March 2016 issue
Click here to view the March 2016 issue of xyHt magazine.