Sketch of the Pontchartrain Harbour & Breakwater exhibiting the plan & position of the work as finally approved by the Engr. Department
Philadelphia: Wagner & McGuigan, 1853. Map. Engraving. Image measures 7.75" x 36". Rare illustration of the southern shore of Lake Pontchartrain showing engineering improvements including a lighthouse, proposed canal and railroad. Includes inset details of "Cross-Section of Breakwater & Fender" and "Plan of Breakwater". Minor toning along original folds. Small chip to lower right corner, image unaffected. More