[Footnote 71: Harry F. Cunningham, Joseph A. Younger, Wilmer Smith, =Measured Drawings of Georgian Architecture in the District of Columbia, 1750-1820= (New York: Architectural Book Co., 1914), Sheets 58-61.] [Footnote 72: Original watercolor signed "Geo. Hadfield, Sept. 1798," Avery Library, Columbia University.] [Footnote 73: Murray H. Nelligan, =Custis-Lee Mansion= (Washington: National Park Service, 1950), pp. 2-4, 6, 15, 24. The staff at Arlington House was also kind enough to allow the author the use of Mr. Nellingan's unpublished manuscript on Arlington House.] [Footnote 74: H. Paul Caemmerer, =Historic Washington= (Washington: Columbia Historical Society, 1960), pp. 34, 39.] [Footnote 75: Edith Moore Sprouse, "Died in a Kind of Fit Like....", Hollin Hills Bulletin, May and June-July, 1969.] SUMMARY It should be clear from the picture of Mason which emerges from an earlier part of this report that his tastes and his capabilities could have included a house designed by a known architect. His family ties, educational background, travels, position and social standing evidence the highest standards of his day. His acquisition of Colross, his sensitive repairs of that structure and the manner in which he seems to have furnished the house again indicate taste and awareness of current architectural trends. The design evidence indicates that Mason did build well at Huntley, and that he sought assistance in doing so. Huntley's similarities to other area structures designed by the architect George Hadfield are striking. In addition, of all the architects in the area at the time Hadfield was most available and is believed to have already designed one house for the Mason family, Analostan. There is also good reason to believe that Thomson Francis Mason and Hadfield knew each other. Whatever the derivation of the mansion house at Huntley, it survives as a notable example of early nineteenth century architecture; as an example of a farm or country house of an early nineteenth century city dweller; as a Mason family house and as a part of a well sited and relatively complete complex. When considered together, these factors make Huntley an important architectural landmark. [Illustration: Figure 28. Huntley, front elevation, 1946. Edward M. Pitt, Architect. Blueprints courtesy Col. and Mrs. Ransom Amlong. Photo copies by Wm. Edmund Barrett.] [Illustration: Figure 29. Huntley, rear elevation.] [Illustration: Figure 30. Huntley, basement floor plan.] [Illustration: Figure 31. Huntley, first floor plan.] [Illustration: Figure 32. Huntley, second floor plan.] APPENDIX A SOME MASON HOUSES IN NORTHERN VIRGINIA Mason land holdings were vast in Stafford, Prince William, Loudoun and Fairfax Counties in Virginia, and in Maryland and Kentucky. In the northern Virginia area the Masons built or occupied a number of houses many of which are mentioned here. Thomson Francis Mason Houses