Navigation Structures at Pentwater Harbor

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References

  1. "Pentwater Pierhead North (Lake Michigan) Light". The Weidner Publishing Group. Retrieved November 20, 2013.
  2. "Pentwater Pierhead South (Lake Michigan) Light". The Weidner Publishing Group. Retrieved November 20, 2013.
  3. 1 2 "National Register Information System". National Register of Historic Places . National Park Service. July 9, 2010.
  4. 1 2 3 4 5 6 7 8 9 10 Pepper, Terry. "Pentwater Pierhead Light". Seeing the Light. Retrieved November 20, 2013.
  5. 1 2 3 4 "Pentwater History". Pentwater.org. Retrieved November 20, 2013.
  6. 1 2 3 4 5 "History". PentwaterChannel.org. Retrieved November 20, 2013.
Navigation Structures at Pentwater Harbor
Pentwater Navigation Project.jpg
Pentwater Pier, showing south (left) and north (right) pierhead lights
Navigation Structures at Pentwater Harbor
Location Pentwater, Michigan, US
Coordinates 43°47′N86°26′W / 43.78°N 86.44°W / 43.78; -86.44
HeritageNational Register of Historic Places listed place  OOjs UI icon edit-ltr-progressive.svg
Pentwater North Pierhead Light OOjs UI icon edit-ltr-progressive.svg
Pentwater Walkin the Beach (3757749789).jpg
Constructed1997  OOjs UI icon edit-ltr-progressive.svg
Foundationconcrete pier
Constructioncylindrical "D9-type" tower [1]
Height11 m (36 ft)  OOjs UI icon edit-ltr-progressive.svg
Fog signal 3sec every 30sec
Focal height43 ft (13 m)  OOjs UI icon edit-ltr-progressive.svg
Lens12 inches (300 mm) optic
Range9 nmi (17 km; 10 mi)  OOjs UI icon edit-ltr-progressive.svg
Characteristic Fl G 2.5s  OOjs UI icon edit-ltr-progressive.svg