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Map of Charleston Harbor in 1682. Charleston Harbor was a major port of entry for slave ships transporting slaves from West Africa. Due to its status as a slave capital, “Scholars estimate that over forty percent of all enslaved Africans sent to North America entered through Charleston Harbor — making Charleston the largest North American point of disembarkation for the trans-Atlantic ...
Mount Everest hosts several weather stations that collect important data on high-altitude weather conditions. Among them is the Balcony Station, the highest weather station on the planet, located at about 8,430 meters (27,657 feet) above sea level.
The elevation near the mouth of Rogers Creek is 764 feet (233 m) above sea level. [3] The elevation of the creek's source is between 960 and 980 feet (290 and 300 m) above sea level. [1] For a portion of its length, Rogers Creek is in a broad valley with glacial deposits lying underneath it.
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Each elevator could carry about 600 pounds (270 kg) (roughly the weight of two lions) 23 feet (7.0 m) up when powered by up to eight men. [4] In 1000, the Book of Secrets by Ibn Khalaf al-Muradi in Islamic Spain described the use of an elevator-like lifting device to raise a large battering ram to destroy a fortress.
A climate action plan from 2019 anticipates 2 ft (1 m) to more than 7 ft (2 m) of sea-level rise in Boston by the end of the 21st century. [125] Many older buildings in certain areas of Boston are supported by wooden piles driven into the area's fill; these piles remain sound if submerged in water, but are subject to dry rot if exposed to air ...
Madrid's citizens have access to a green area within a 15-minute walk. Since 1997, green areas have increased by 16%. At present, 8.2% of Madrid's grounds are green areas, meaning that there are 16 m 2 (172 sq ft) of green area per inhabitant, far exceeding the 10 m 2 (108 sq ft) per inhabitant recommended by the World Health Organization.
The public transit system passed into public ownership in 1921 as the Toronto Transportation ... 11.7 10.9 7.0 114.1 Average snowy days (≥ 0.2 cm) 12.0 8.7 6.5 2.2 ...