by GEOFF FOX
R. Hank Donnelly and Eric Donnelly, Ralph Donnelly’s grandson and great-grandson hold part of a GPS monument for Ralph H. Donnelly Memorial Calibration Base Line.
Ralph Donnelly, a local historian, surveyor, and engineer who passed away in 2003, was memorialized on Friday, March 23, when the Maryland Society of Surveyors (MSS) dedicated a Land Surveyor’s Calibration Baseline marker at the corner of the rail trail to his memory.
The Society of Surveyors…
