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Denny Regrade: Hosing Seattle into shape Dates:1903-1911; 1929 Amazing Fact: 16 million cubic yards of dirt was removed, mostly by large blasts of water.
Beginning in 1903 and again in 1910, Denny Hill, which once covered 62 city blocks, was whittled away by continuous blasts of water. Twenty million gallons of water a day were pumped from Lake Union to the top of the hill with force enough to move 2,500-pound boulders. https://www.djc.com/special/century/10060862.htm
Another Seattle regrade created the largest man-made island in the world (at the time).
Harbor Island was made from 24 million yd³ (18 million m³) of earth removed in the Jackson and Dearborn Street regrades and dredged from the bed of the Duwamish River.http://en.wikipedia.org/wiki/Harbor_Island_(Seattle)
Funny that Atlanta hasn't been mentioned more...it's at the highest altitude of any major city east of the Mississippi, and sits atop a ridge over 1000 ft above sea level. Very hilly, as are all the cities of the Piedmont: Birmingham, Greenville, Charlotte, Greensboro, Winston-Salem, Raleigh-Durham.
Yeah it says Pittsburgh is 1.3k elevation at it's highest on wikipedia. Atlanta is around 1.05k at it's highest.
For what it's worth, Pittsburgh and Atlanta are the only major metropolitan areas (1,000,000+ population) east of the Mississippi River with National Weather Service observations taken more than 1,000' above sea level.
For what it's worth, Pittsburgh and Atlanta are the only major metropolitan areas (1,000,000+ population) east of the Mississippi River with National Weather Service observations taken more than 1,000' above sea level.
Houston is definitely one of the flattest. There no hills within the city that have any significance.
Any city in FL south of Tallahassee - Miami, Orlando, Tampa, Jacksonville, etc. Denver is flat but hills are nearby
Maine is pretty hilly but all cities are small, SF is hilly, Honolulu is hilly, Chattanooga is hilly.
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