Don Hanson Retires!
Many of you will know Don who joined Col-East way back in 1972! He has been with the company for over 45 years, and in that time has probably had contact with almost every aerial and land surveyor in Massachusetts, if not New England. Don has finally decided to hang up his stereoscope and call it a day (for the second time!) in May 2017. Don has an unsurpassed knowledge of aerial survey, photogrammetry and topographic mapping, and has seen significant change during his caree
