Above print: U.S. Light-house establishment, 1873. Below print: Am. Photo-Relief, Printing Co., Phila. Illus. in: Annual Report of the U.S. Light-House Board, 1873, plate opposite page 34.
Above print: U.S. Light-house establishment, 1874. Illus. in: Annual Report of the U.S. Light-House Board, 1874, plate opposite p. 29.