| 21. | The Parris Range Lights were first lit in 1881.
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| 22. | The Front Range Light was a wooden pyramidal tower seaward of the Rear Range Light.
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| 23. | In 1878, the Hilton Head Range Lights to guide ships coming into Port Royal Sound.
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| 24. | In 1899, the rear range light was discontinued and replaced by two front range lights.
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| 25. | Construction on the range lights were completed in 1869.
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| 26. | The Front Range Light is located at the western edge of Munising north of M-28.
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| 27. | The lighthouses are sometimes known as Dovercourt Range Lights.
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| 28. | The Front Range Light was a wooden pyramidal tower seaward of the Rear Range Light.
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| 29. | On Oct 25th 2009 the range light was converted to solar power with LED bulbs.
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| 30. | The " rear " range light was constructed south of the mouth of the river.
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