Yellow -- Existing sand and mud bars that require removal;
Orange -- Sand and mud bars that have been removed;
Purple -- Sand and mud bars that are building from prevailing wind and currents along the beaches.
Note 1 -- The last report of the condition of the harbor at Buffalo, NY and the lower Niagra River have been sent to Congress for consideration of the further work needed to remove the abve indicated material , together with the additional slowly accumulating sand / mud banks deposited by the natural wind and currentmdrift.
Drawn and Enhanced by Ian McKay, Captain, US Corps of Topographical Engineers.
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