Maker: Walling & Gray.
From "Official Topographical Atlas of Massachusetts, from Astronomical, Trigonometrical, and Various Local Surveys; Compiled and Corrected by H.F. Walling & O.W. Gray," 1871, City of Haverhill is on one side; City of Newburyport is on the other, Very good overall antique condition with toning and some image transfer. Page measures approx. 17" x 13" overall.
Item Number: MAS1526