Drawing, Technical

No. XII,
Fort Wayne,
Plan and Section of Exterior Batteries

One plan sheet entitled "No. XII, Fort Wayne, Plan and Section of Exterior Batteries." This drawing is a blackline reproduction of the original and it shows existing ground contour lines as well as proposed contour lines for the construction of earth embankments and gun batteries at Fort Wayne. A cross-section detail is shown along the right edge of the plan sheet. Handwritten text near the upper right corner shows "Engineer Department, Washington, Aug't 20, 1867. Sent to General Cram with letter of this date."