New York topographic maps

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Only a small creek (Irondequoit Creek) flows in what is left of this large paleogeologic valley. The area of the lower river was also affected. Since the earth rebounded from the melting glaciers more rapidly in Canada than in New York, water from Lake Ontario was spilled over New York due to its lower…

Average elevation: 397 m

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Average elevation: 179 m

New York's wilderness areas must be composed of 10,000 acres (4,000 ha; 40 km2) of contiguous land, twice the federal standard. Land is to be left as "untrammeled by man" and as close to its natural state as possible, offering outstanding opportunities for solitude. No artificially-powered devices are…

Average elevation: 501 m

Because of their abrupt, hilly topography, pedestrian navigation in Upper Manhattan is facilitated by many step streets. The longest of these in Washington Heights, at approximately 130 stairs and with an elevation gain of approximately 65 feet, connects Fort Washington Avenue and Overlook Terrace at 187th…

Average elevation: 25 m

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Average elevation: 322 m

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Average elevation: 205 m

Oswego is located on the southeastern shore of Lake Ontario at the mouth of the Oswego River, approximately 35 miles north of Syracuse and 69 miles east of Rochester. The elevation is 298 feet above sea level. The nearest city is Fulton, located south of Oswego and north of Syracuse.

Average elevation: 87 m

Average elevation: 121 m

On October 27, 1910, the International Aviation Tournament was held at the Belmont Park racetrack in Elmont, New York. The meet offered $3,750 for the highest altitude, another $1,000 for a world record and a $5,000 bonus for exceeding 10,000 feet. Ralph Johnstone set a new American flight altitude record of…

Average elevation: 31 m

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Average elevation: 547 m

Marble Hill is one example of how Manhattan's land has been considerably altered by human intervention. The borough has seen substantial land reclamation along its waterfronts since Dutch colonial times, and much of the natural variation in its topography has been evened out.

Average elevation: 17 m

In preparation for converting the land into a city park, Rockefeller hired the Olmsted Brothers firm, particularly Frederick Law Olmsted Jr., son of the designer of Central Park. Olmsted's design capitalized on the topography to reveal sweeping vistas of the Hudson River and the Palisades. Olmsted Jr. was…

Average elevation: 20 m

Average elevation: 23 m

Average elevation: 69 m

The city's land has been altered substantially by human intervention, with considerable land reclamation along the waterfronts since Dutch colonial times; reclamation is most prominent in Lower Manhattan, with developments such as Battery Park City in the 1970s and 1980s. Some of the natural relief in…

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