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USGS Map Key

This key contains selected symbols used on United States Geological Survey Maps and on Florida Soil Maps based on USGS Maps. In general, relief features are printed in brown, water features are printed in blue, and cultural features are printed in black.

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Contours (Contours showing depth of water printed in blue)	Depression contours	Levee	Mine dumps	Trailings or mining debris	Sand and sand dunes
Streams	Falls and rapids	Intermittent streams and ditches	Canals or ditches	Unsurveyed stream and abandoned canal	Intermittent lake
Spring, Well	Marsh	Submerged marsh	Lake or pond	Roads and buildings	Good public road
Poor public or private road	Trail	Power transmission line	Wharves	Breakwater and jetties	Bridge
Drawbridges	Ferry (point upstream)	Canal lock (point upstream)	State line	County line	Civil Township or district line
Reservation line	Land grant line	City, village, or borough line	Small park or cemetery line	Railroads	Electric railroad
Dam	Dam with lock	Mine or quarry	Cemeteries	Church, School (distinguished on recent maps)	Lighthouse or beacon