Sewall
John Allen joined James W. Sewall Company in 2008. He has more than 30 years of experience in mapping, drafting, and land surveying. His duties have included supervision of field crews and survey department, project management and business development. John has significant experience working with town and state regulating agencies, GPS control surveying, subdivision design, road layout, boundary work, and deed research.
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Sewall
Sewall is a provider of integrated engineering and forestry consulting services with attendant geospatial solutions to clients.