Manuscript documents by Moses Van Campen, including reports on the results of land surveys in Genesee County; an agreement by Philip and John Barker Church to sell a parcel of land in Allegany County to William Hyde Newville (witnessed by Van Campen), 1808; and notes on a survey of the square in the village of Angelica, Allegany County, New York, with drawings of a few lots of land with notes on who owned them and when they acquired them.