| the cape cod store.com's Lighthouse Encyclopedia |
| Rock of Ages Lighthouse, Houghton, MI (Upper Peninsula) |
*Dates of operation~~ 1908-present
*Building Material~~ Steel, masonry, and concrete
*Tower~~ 117 feet
*Elevation~~ On 18 foot tall caisson base 2 feet above lake level
*Markings~~ White w/ black caisson base and lantern
*Light Pattern~~ Double white flash every 10 seconds
*Existing Buildings~~ Keeper's quarters (integral to tower)
*Automated~~ 1978
*Original Lens~~ Second Order Fresnel
*Current Lens~~ 300mm optic, solar powered
*Open to Public?~~ Yes (grounds only, as part of Isle Royale National Park)
*Current Owner~~ U. S. Coast Guard
*Waterway Location~~ Lake Superior
*Significant Feature~~ Built using early 1900's skyscraper technology, this one of the
Great Lakes' most notable lighthouse engineering achievements, especially considering
the vast remoteness of its location. It also was very rare among U. S. lighthouses as it
was manned by four keepers, rather than the customary one or two. It is also the most
western of all Michigan lighthouses.
LINKS
Terry Pepper's lighthouse info and history
http://www.terrypepper.com/lights/superior/rockofages/rockofages.htm
National Park Service
http://www.cr.nps.gov/maritime/park/rockages.htm
Terry Pepper interview with Rock of Ages keeper Bill Muessel
http://www.terrypepper.com/lights/superior/rockofages/rockofages13.htm
Dave Wobser's reprint of December, 2004 article in Great Laker Magazine
http://lighthouse.boatnerd.com/gallery/Superior/RockofAges.htm
*Building Material~~ Steel, masonry, and concrete
*Tower~~ 117 feet
*Elevation~~ On 18 foot tall caisson base 2 feet above lake level
*Markings~~ White w/ black caisson base and lantern
*Light Pattern~~ Double white flash every 10 seconds
*Existing Buildings~~ Keeper's quarters (integral to tower)
*Automated~~ 1978
*Original Lens~~ Second Order Fresnel
*Current Lens~~ 300mm optic, solar powered
*Open to Public?~~ Yes (grounds only, as part of Isle Royale National Park)
*Current Owner~~ U. S. Coast Guard
*Waterway Location~~ Lake Superior
*Significant Feature~~ Built using early 1900's skyscraper technology, this one of the
Great Lakes' most notable lighthouse engineering achievements, especially considering
the vast remoteness of its location. It also was very rare among U. S. lighthouses as it
was manned by four keepers, rather than the customary one or two. It is also the most
western of all Michigan lighthouses.
LINKS
Terry Pepper's lighthouse info and history
http://www.terrypepper.com/lights/superior/rockofages/rockofages.htm
National Park Service
http://www.cr.nps.gov/maritime/park/rockages.htm
Terry Pepper interview with Rock of Ages keeper Bill Muessel
http://www.terrypepper.com/lights/superior/rockofages/rockofages13.htm
Dave Wobser's reprint of December, 2004 article in Great Laker Magazine
http://lighthouse.boatnerd.com/gallery/Superior/RockofAges.htm
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