| the cape cod store.com's Lighthouse Encyclopedia |
| Grays Reef Lighthouse, St Ignace, MI (between Upper & Lower Peninsulas) |
*Dates of operation~~ 1936-present
*Building Material~~ Reinforced concrete and steel
*Tower~~ 65 feet
*Elevation~~ On 25' tall concrete base at lake level
*Markings~~ White w/ black lantern
*Light Pattern~~ 4 second red flash followed by 2 second eclipse
*Existing Buildings~~ Keeper's quarters (part of tower), radiobeacon
*Automated~~ 1976
*Original Lens~~ Third and a Half Order Fresnel
*Current Lens~~ 190 mm, solar powered
*Open to Public?~~ No
*Current Owner~~ U. S. Coast Guard
*Waterway Location~~ Grays Reef East Channel, Lake Michigan
*Significant Feature~~ Lighthouse took more than 2 years to build. Previously, Grays
Reef was lit by lightships for 45 years, until sufficient technology allowed for the building
of a full-fledged offshore lighthouse.
LINKS
Terry Pepper's lighthouse info and history
http://www.terrypepper.com/lights/michigan/grays_reef/grays_reef.htm
National Park Service
http://www.cr.nps.gov/maritime/light/grayreef.htm
History of Lightship LV-57, stationed at Grays Reef prior to lighthouse
http://www.the-best-light-houses.com/LV-57.html
*Building Material~~ Reinforced concrete and steel
*Tower~~ 65 feet
*Elevation~~ On 25' tall concrete base at lake level
*Markings~~ White w/ black lantern
*Light Pattern~~ 4 second red flash followed by 2 second eclipse
*Existing Buildings~~ Keeper's quarters (part of tower), radiobeacon
*Automated~~ 1976
*Original Lens~~ Third and a Half Order Fresnel
*Current Lens~~ 190 mm, solar powered
*Open to Public?~~ No
*Current Owner~~ U. S. Coast Guard
*Waterway Location~~ Grays Reef East Channel, Lake Michigan
*Significant Feature~~ Lighthouse took more than 2 years to build. Previously, Grays
Reef was lit by lightships for 45 years, until sufficient technology allowed for the building
of a full-fledged offshore lighthouse.
LINKS
Terry Pepper's lighthouse info and history
http://www.terrypepper.com/lights/michigan/grays_reef/grays_reef.htm
National Park Service
http://www.cr.nps.gov/maritime/light/grayreef.htm
History of Lightship LV-57, stationed at Grays Reef prior to lighthouse
http://www.the-best-light-houses.com/LV-57.html
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