Descriptive InformationForest Fire Control Training group:, Floyd E. Grove, Lester R. Rackey, Nicholas, F. Brown. 3.5x3.5 Negative Filed. Loudoun Heights. Original caption: NHF 12, Harper House Porch from Stone Steps before Porch Removal, Jan 1955. NHF-1436, Forest Fire Control Training Group, Floyd E. Grove, Lester R. Rackey, Nicholas F. Brown, 3 1/2 x 3 1/2 Negative Filed, Loudoun Heights, E.M. Dale, Nov 14, 1956.