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Donnelly honored by Maryland Society of Surveyors with calibration baseline, marker

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 . . .

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