Alexandria Gazette, November 6, 1839, advertisement; John Mosby Beattie, interview April 17, 1969.
John Schlebecker, Curator, Division of Agriculture and Mining, Museum of History and Technology, Smithsonian Institution, Washington, D.C. Interview held February 26, 1969.
Walter Macomber, interview July 16, 1968. It appears that no drawings were made of the spring house as it appeared before its conversion into a caretaker’s residence, and no plans have been preserved to show the construction undertaken for the conversion.
Figure 20. Fairfax County Property Identification Map, 1969, Green Spring Farm, Quadrant 72-1.