Tag: Survey Marker
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Fenwick Island Lighthouse & Transpeninsular Line
Fenwick Island, Delaware, USA (2008) A lighthouse rose above remote Fenwick Island in 1859. It filled a critical 60-mile gap between Cape Henlopen and Assateague Island (map). The structure housed a third order Fresnel lens with an 83 foot focal plane in its slender white tower. Amazingly the same Fresnel lens operates today. This stands…
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The 45X90 Spot
A spot in the middle of a soybean field in north-central Wisconsin marks a confluence of great significance to people who appreciate strange geography. Two invisible lines cross near the small town of Poniatowski; one representing 45 degrees north latitude and one representing 90 degrees west longitude. The importance of this particular latitude is perhaps…