Pale crag martin to do so, it would cast doubts on their specific distinctness. There are several subspecies differing in plumage shade or size, although the differences are clinal, and races interbreed where their ranges meet. The pale crag martin of the nominate subspecies "P. o. obsoleta" is 12–13 cm (4.7–5.1 in) long with light brown upperparts, becoming paler on the lower back, and a short square tail that has small white patches near the tips of all but the central and outermost pairs of feathers. It has a pale grey throat, upper breast and underwing coverts, and the rest of the underparts
Gainsboro Historic District of Historic Places in 2005. Gainsboro Historic District Gainsboro Historic District is a national historic district located of Roanoke, Virginia. It encompasses 202 contributing buildings and 1 contributing structure in the African-American neighborhood of Gainsboro in Northwest Roanoke. They include single- and multiple-family dwellings, three churches; one parish hall, the Gainsboro Library, a theater, a hotel, two medical office buildings, six commercial buildings, one industry and one bridge. The buildings were primarily built between 1890 and 1925. Located in the district are the separately listed Gainsboro Branch of the Roanoke City Public Library and Henry Street Historic District. It was