David T. Edson, ACF
Association of Consulting ForestersTime in Forestry
  • Consulting: 1974
  • Industrial:
  • Public:
  • Other:
  • B.A. Harvard College American History
  • B.S. Univ of Maine Forestry
Other Qualifications
  • Appraiser - Other Accredited
  • Cooperating Consulting Forester Licensed ME
  • Forester Firm Licensed ME,NH,MA
  • Land Surveyor Firm Registered
  • Land Surveyor Firm Registered
Professional Affiliations
  • American Society of Photogrammetry & Remote Sensing
  • Forest Products Society
  • Forest Resource Assn.
  • Maine Forest Products Council
  • Maine Forest Products Council
  • Small Woodlands Owners Assoc
  • Society of American Foresters
Firm Profile:
The oldest forestry consulting firm in the nation, Sewall offers comprehensive services in forestry inventory design and execution, mapping and data warehousing, automated canopy height and point cloud generation, growth & yield and harvest scheduling, timberland appraisal and timber tax consulting, investment analysis and due diligence, and arbitration and expert testimony. Environmental services include Levels 1 & 2 site assessment, fisheries assessment & mitigation. An internationally recognized leader in the field, Sewall has consulted on issues that concern millions of acres of forestland in the United States, Canada, South & Central American, New Zealand and Australia and collaborated on due diligence and resource analysis worldwide.

Contact David T. Edson, ACF

James W. Sewall Company
136 Center St.
PO Box 433
Old Town, Maine  04468
Phone: (207) 827-4456
Cell Phone: (207) 852-9571
Fax: (207) 827-3641


Service Area

Statewide service provider in:
  • Kentucky
  • Maine
  • Massachusetts
  • New Hampshire
  • New York

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