Riverdale Historical, Memorial Proposition Models and Sketches.

Study drawing for a plaque with text as follows: "1776-1909/Hudson Fulton Celebration Commission/On this hill-top stood/Fort : Tryon/the northern out-work of Fort Washington/its gallant defence against/the Hessian troops/by/the Maryland and Virginia/Regiment/16 November 1776/was shared by/Margaret Corbin/the first American Woman/to take a soldier's part/in the war for liberty/erected under the auspices of/ the American Scenic and Historic Preservation Society/through the generousity of/C.K.G. Billings."