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PREFACELAKE SURVEY ORGANIZATION AND DUTIES
DISTANCE TABLES FOR THE GREAT LAKES
THE COMPASS AND THE EARTHS MAGNETISM IN THE LAKE REGION
7 other sections not shown
12 feet 20 feet anchorage bank basin black spar buoy boats breakwater bridge canal Cheboygan Chicago Chicago River Clair River Coast chart coast-guard station crib deep water Detroit River distance docks dollars draw dredged east pier easterly eclipse 2.7 seconds entrance channel extends feet feet deep feet depth feet long feet of water feet wide fixed red fixed white flash 0.3 second float front light gas buoy harbor master Index inner end Lake Erie Lake Huron Lake Michigan Lake Ontario least depth Lighthouse located lock marked mouth navigation Niagara River north pier northeast northeasterly northerly obstruct opening outer end pass passage person pierhead Port Railway red light Reef regulations revetment riprap River rock shallow shoal shore line showing a white signals are displayed sounds blast south pier southerly southwest steamboat Street Sturgeon Bay thence vessel visible west pier westerly wharf wharves white light