MapA general and particular plan of the island of Castle William near Boston. Shewing the works in their original and present state, together with sections through the same. Carried on and survey'd ... Scale ca. 1:600. Manuscript, pen-and-ink and watercolor; copied from original ca. 1927. Oriented with north toward the upper right. Relief shown by shading. "Amer. & W.I. vol. 127. p. 71." Includes index to points of interest, inset of "General plan of the island of Castle William, shewing its situation with respect to the adjacent island," ca. 1:6,000, and 2 cross section views. Available also...
- Contributor: Montrésor, John
- Date: 1927