

ASSOCIATED PRESS PHOTOGRAPHS From bottom left, Albin Kowalewski, 23, of Bowie; Jeremy Rothwell, 22, of Chesapeake City, Md.; and Edward Papenfuse, director of the Maryland State Archives, sort through documents that were recently discovered in the one-time slave quarters at the former Poplar Grove plantation in Centreville, Md. At top, documents from the 1800s were discovered in a room with vines climbing the ceiling.