Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 387
DAY MARKS IN NEW YORK HARBOR. INTO PORT. 375 fall of tide. In harbors where ice is likely toform, the broad nun or can buoys are in winterreplaced by narrow ice-buoys, for these pre-sent less surface to the ice, allowing it to passover them, and are thus less likely to be tornadrift. All buoys…
Children's literature
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