Tidal indicator erected at Reedy Island on the Delaware River, Delaware

Tidal indicator erected at Reedy Island on the Delaware River, Delaware. Figure No. 5, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 483. This and two other indicators at New York and San Francisco built by C&GS. Face is thirty feet in diameter

Photo Category: Charting - Tides - Instruments
Photo Location: Delaware, Reedy Island, Delaware River
Photo Date: 1897