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Isle Royale, the largest island in Lake Superior, is over 45 mi (72 km) in length and 9 mi (14 km) wide at its widest point. [6] The park is made up of Isle Royale itself and approximately 400 smaller islands, along with any submerged lands within 4.5 mi (7.2 km) of the surrounding islands ( 16USC408g ).
[14] Chapel Falls—Two viewing platforms along the way provide views of the scenic Chapel Basin. Chapel Falls cascades some 60 feet (18 m) down the sandstone cliffs on its way to Chapel Lake. [14] Spray Falls—This waterfall is best seen from Lake Superior. The 1856 shipwreck of the Superior is at the base of the falls in 20 feet (6.1 m) of ...
Carbon-14 testing of wood remains found in sockets of copper artifacts indicates that they are at least 6500 years old. [8] [9] In Prehistoric Copper Mining in the Lake Superior Region, published in 1961, Drier and Du Temple estimated that over 750,000 tons of copper had been mined from the region. However, David Johnson and Susan Martin ...
The Stannard Rock Reef is located off Keweenaw Peninsula about 24 miles (39 km) south of Manitou Island and 44 miles (71 km) north of Marquette, Michigan. [1] [10] In 1835, Captain Charles C. Stannard of the vessel John Jacob Astor first discovered this underwater mountain that extends for 0.25 miles (0.40 km) with depths as shallow as 4 feet (1.2 m) and averaging 16 feet (4.9 m).
South Bass Island is a small island in western Lake Erie, and a part of Ottawa County, Ohio, United States. It is the southernmost of the three Bass Islands and located 3 miles (4.6 km) from the south shore of Lake Erie. It is the third largest island in the Lake Erie Islands, and is part of Put-in-Bay Township.
The Gros Cap Reefs Light is a lighthouse located at the entrance to St. Mary's River from Whitefish Bay of Lake Superior. The light was completed in 1953 and replaced a lightship stationed there since 1923. [1] The lighthouse, owned by the Canadian Coast Guard, is located on the southwest edge of the Gros Cap Reef.
Rocky Point, within Bacalar Chico, is the only location in Belize where the barrier reef meets the shore. The point is ‘rocky’ because a fossilized Pleistocene reef lies exposed at the surface. Within the park, all five species of cats native to Belize have been recorded, including the jaguar and puma.
The Lake Erie Islands are geologically part of the Silurian Columbus Limestone. When the Pleistocene ice sheets carved out the basin of modern-day Lake Erie, these hard rocks proved more resistant to erosion than the shales in the east, and as a result, Lake Erie's western end is much shallower than the basins in the east, so that the islands ...