Summary

1911 Encyclopædia Britannica, Volume 6… (1911)

Chicago is generally credited with being the original home of the steel-frame “sky-scraper,” [5] though there are now higher buildings elsewhere in America. The unstable soil of sand, clay and boulders that underlies the city is unfavourable to tall constructions, and necessitates extraordinary attention to foundations. The bed-rock lies, on an average, 50 ft. below the level of the lake (in places more than a hundred) . To the rock the foundations are often sunk in caissons, the buildings resting on monster columns of concrete and steel.
Source: Wikisource

1911 Encyclopædia Britannica, Volume 6… (1911)

Neither New York nor Boston has preserved as has Chicago the beauty of its water front. The shore of the North Side is quite free, and beginning a short distance above the river is skirted for almost 30 m. by the Lake Shore Drive, Lincoln Park and the Sheridan Drive. The shore of the South Side is occupied by railway tracks, but they have been sunk and the shore otherwise improved. In addition to Calumet and Jackson parks there was another just below the river, Lake Park, which has since been included in Grant Park, mostly reclaimed from the water.
Source: Wikisource

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