Florida Keys – Alligator Reef to Sombrero Key

This coastal survey was stamped as completed on November 15, 1944 by the U.S. Coast and Geodetic Survey in Washington D.C. The Florida coast, from Florida Keys to Sombraro Key, is illustrated on this map. Details include the names of cities and waterways along the coast, and depth readings. Other details include stamped identification of danger areas. Notes on map read: Temporary changes affecting Lights, Buoys and Day Beacons Aides which have been destroyed or removed, but which will be reestablished and are temporarily replaced by aids of different characteristics, are indicated in color by the following abbreviations… Caution: Improved Channels The side limits of the improvement are shown by broken lines. The legend gives the controlling depth through the channel ascertained on the dates stated. Because of possible shoaling, particularly at the edges, it must not be inferred that the depths stated existed throughout the entire width of the improvement on the date of the examination unless so stated, or that it has not since decreased in places across the entire width.

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