Maryland

Friendship House, La Plata, Maryland (38.559882, -77.009999)

Basement of house Felling dates: After 1834; after 1808; after 1766

Joists (4/5) 1804 (4NM), 1810 (h/w), 1826 (6NM), 1831 (3NM+C); Bottom plate 1766 (h/w). Site Master 1669-1831 FDMDx1 (t = 7.92 CONCORD1, 7.84 MDZ7, 7.71 RCBC3). Sample 1594-1766 fdmd6 (t = 7.68 MDZ7, 6.62 PIEDMONT, 6.26 WILDx1).

Friendship House is a single-story, framed structure with a finished attic and a raised English basement. Dendrochronological analysis has revealed that at least three of the joists in the basement were felled after 1834 and that the bottom plate was felled after 1766. It is recommended that further work is undertaken on this building to better understand its development chronology

Worthington, M J, and Seiter, J I, 2011 ' The Tree-Ring Dating of Frienship House, La Plata, Maryland', unpublished Oxford Tree-Ring Laboratory archive report 2015/01.

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