More Than 135 Exhibitors Set for September Commercial UAV Expo   SAM Companies Acquires Carolina Surveying Services Inc.  Globhe Expands to Inspect Wind Rotor Blades Globally  NGS Day at FIG Working Week 2023   Pete Buttigieg Still Believes in Smart Cities   Land Surveyors are Aging and Retiring in Michigan Amid Ongoing Needs  Next Generation Street-Level 3D...