Maryland

Mount Calvert, Upper Marlboro, Maryland (38.785225, -76.714627)

 

Primary House Felling dates: Winter 1787/8, Winter 1786/7

Site Master 1649-1787 (tulip poplar) MCMDx1 (t = 6.57 CFMDx1; 5.72 DC-AREA; 5.35 MDZ7).

Mount Calvert is a substantial Federal-style building consisting of a two-and-a-half-story brick main block featuring a square plan and two free-standing exterior chimneys on the west gable, with a smaller two-story brick wing attached to the east.

Dendrochronological analysis has shown that the building was constructed from timbers felled in the winter of 1786/7 and the winter of 1787/8.

Worthington, M J and Seiter, J I 2022 “The Tree-Ring Dating of Mount Calvert, Upper Marlboro, Maryland ”, unpublished Oxford Tree-Ring Laboratory archive report 2022/12

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Oxford

Tree-Ring

Laboratory

The Oxford Tree-Ring Laboratory was formed in 2010 by Michael Worthington and Jane Seiter to provide cutting-edge dendrochronological services to architectural historians READ MORE

Contact Information

Oxford Tree-Ring Laboratory

e-mail:
michael@dendrochronology.com jane@dendrochronology.com

Address

25 E Montgomery St.
Baltimore, MD 21230

410 929 1520