Topographical map of six Districts East of Alleganny [sic] River; 1796? ; A Map Exhibiting A Topographical Representation of the Six Districts Situate on the Eastern Side of the Allegeny River and Designating the Relative Situation of the Lands surveyed for Messrs. Wilhem Willinck Nicholaas Vanstaphorst and others known by the Name of the Holland Company and for various other Persons & Companies