Scale ca. 1:127,000. Manuscript, pen-and-ink and watercolor. Relief shown pictorially and by shading. Sectioned and mounted on cloth backing. In pencil, lower left margin: No. 10. Includes descriptive notes and "References to Crown Point." LC Maps of North America, 1750-1789, 1074 Available also through the Library of Congress Web site as a raster image. Vault AACR2
Certified, 1807, Bouchette. Photostat from Brit. Pub. Rec. Off.--Colonial Office, Canada 66. Negative and positive. Negative photostat on 14 sheets unmounted. Includes photocopies of Letters of Instructions for surveyors.