Ever wonder what the elevation change is in the Grand Canyon? You’re not alone. But it took a man with the indomitable spirit of Harry R. Feldman to actually map it!

The Grand Canyon Project, Arizona

Hancock Tower, Boston MA

The Grand Canyon Project, Arizona

Blenheim-Gilboa Power Project, NY

High Rise Buildings, Boston

Boston Redevelopment Authority, Mapping the City

Lewiston–Queenston Bridge, Niagara Falls, NY

Cambridge Electron Accelerator, Cambridge MA

Also our company’s founder, his passion and experience are as strong as ever at Feldman Land Surveyors.