The collection, spanning the late 19th century to 2005 with the bulk from circa 1880 to circa 1955, measures 1.44 linear feet and documents the daily lives and activities of the Plummer-Arnold family and the military career of Henry Vinton Plummer. The collection consists of 48 color and black-and-white photographs and a framed certificate, letter, and two DVDs regarding the honorable discharge of Henry Vinton Plummer. The photographs are undated.
The collection, which dates from 1874 to 1978 and measures 3.64 linear feet, documents the history of the Bladensburg Union Burial Association. The records include the Association's constitution, by-laws, treasurer reports, receipts, and correspondence.