The Oxford Tree-Ring Laboratory was formed in 2010 by Michael Worthington and Jane Seiter to provide cutting-edge dendrochronological services to archaeologists, architectural historians, art historians, cultural resource managers, and private house owners. READ MORE
Call or email us for more information about dating your building.
Oxford Tree-Ring Laboratory
Michael Worthington and
Jane Seiter, PhD
25 E. Montgomery St.
Baltimore, MD 21230
This is how we sample your building, READ MORE
The Laboratory's staff have been involved in the scientific dating of over seven hundred and fifty historic buildings both in the USA and UK. Detailed listings for them can be found here, READ MORE
After two years of investigation of what was a planned rental property,
the oldest dated house in North Carolina has been identified in Edenton.
Preservationists with the N.C. Historic Preservation Office, architectural historians with the Architectural Research Department at Colonial Williamsburg and local historians participated in the research. READ MORE
National Trust for Historic Preservation
PBS (Public Broadcasting Service)
United States Forest Service
Colonial Williamsburg Foundation
Mount Vernon Ladies' Association
Old Salem Museum and Gardens
Maryland Historical Trust
State of North Carolina
New Jersey Historical Commission
Historic Preservation Foundation of North Carolina
Historic New England
University of Maryland
University of Georgia
College of William and Mary
Middlebury College Museum of Art
Maryland-National Capital Park and Planning Commission
Charles County (MD) Department of Planning and Growth Management
Montgomery County (MD) Department of Parks
Prince William County (VA) Historic Preservation Division
Holland Township (NJ) Historic Preservation Commission
City of Raleigh, VA
Queen Anne's County (MD) Historical Society
Historical Society of Charles County, Inc.
Nanticoke Historic Preservation Alliance, Inc.
Museum of the Shenandoah Valley
Newtown History Center / Stone House Foundation
Evergreen Heritage Center
The Presidio Trust of San Francisco