City of Ithaca topographic map
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About this map

Name: City of Ithaca topographic map, elevation, terrain.
Location: City of Ithaca, Tompkins County, New York, United States (42.41816 -76.52700 42.46709 -76.46999)
Average elevation: 195 m
Minimum elevation: 111 m
Maximum elevation: 347 m
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Hartung-Boothroyd Observatory
United States > New York > Tompkins County > Town of Dryden > Varna
The primary 0.6m mirror was constructed from a Pyrex 1/8-scale test pouring as part of technology development for the Palomar Observatory 200-inch telescope. The mirror was polished and mounted in a lightweight tube in the late 1930s under Boothroyd's direction, but World War II deferred its planned use in a…
Average elevation: 477 m