1. Plan of the Township of Ketcham now Riley Lying in the county of Oxford and District (State) of Published / Created: 1822 Call Number: 761 R453 1822 Container / Volume: BRBL_00710 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Plan of the Township of Ketcham now Riley Lying in the county of Oxford and District (State) of Maine ... by Jas Finlayson.