Historic Shorelines
 

The 1850, 1917, 1950, 1966, and 1971 shorelines and man made features were digitized from US Coast and Geodetic t-sheets. The 1986 shorelines and man made features were digitized from aerial photography. The scale and exact year of the t-sheet vary. Map-specific metadata is in the t_###.sid.xml file.

See the following Index Maps for of T-sheet ID's, locations, scale, and dates. 1845-1855, 1856-1909, 1910-1922, 1930-1952West, 1930-1957East, 1966-1971West, 1966-1971East.

Download Shorelines - All are zipped shapefiles except for controlanno.zip, which contains .e00.

mssh####.zip - natural shoreline

msmm####.zip - man made features (seawall, piers, etc.)

mscontrolpts.zip - control points, arcs (triangles and circles), and annotation found only in an Arc export interchange file (.e00)

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Last modified: 09/01/04