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Grindstone Island is in Jefferson County, in the Watertown-Fort Drum metro area.
The latitude of Grindstone Island is 44.275N. The longitude is -76.116W.It is in the Eastern Standard time zone.
Granite quarries operated here in the late 19th century
Sections below provide additional information and links about Grindstone Island travel and tourism, nearby airports, cemeteries, the Jefferson County economy, education, environment, genealogy, government, historic sites, libraries, maps, museums, newspapers and other media, nonprofit groups, real estate, recreation, religion, transportation, and weather.
Note: The ePodunk database includes many places that are no longer populated communities. These may include rural crossroads, hamlets, ghost towns or settlements that have been absorbed by nearby cities or towns.
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Jefferson County supported George W. Bush in the 2004 presidential election. For more information, see our Grindstone Island political report.
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