Harmony Mill No. 3
United States historic place in Cohoes, New York. Added to the National Register in 1971, and a National Historic Landmark.
What it is
Harmony Mill No. 3, also known as the "Mastodon Mill", is a historic mill located at Cohoes in Albany County, New York. It was built in 1866–1868 and expanded 1871–1872. It is a four-story red brick structure on a stone foundation, with an additional story under the distinctive mansard roof. It features twin six story towers topped by mansard roofs and cast iron grillwork. It was known as the "Mastodon Mill" for the skeleton of a mastodon found while excavating the north section. It is the centerpiece of the Harmony Mills Historic District.
Text from Wikipedia, CC BY-SA 4.0.
The record
| Property type | Building |
| Address | 100 N. Mohawk St., Cohoes, NY |
| County | Albany County |
| Listed | Feb 18, 1971 |
| Listed for | Industry, Architecture |
| Level of significance | National |
| Also known as | Mastodon Mill; See also: Harmony Mills Historic District |
| Reference number | 71000525 |
| Type of place | historic site |
| Contributing resources | 1 building |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Visiting
| Address | 100 N. Mohawk St., Cohoes, NY |
| Coordinates | 42.7817° N, 73.7049° W · Directions ↗ |
| Also in Cohoes | 19 listed places in Cohoes → |
| Nearest national park unit | Saratoga National Historical Park · 15 miles · on Park Atlas |
Explore
Drawings & photographs
Measured drawings and photographs from the Library of Congress. Public domain. All 3 records ↗
Map
Nearby in Albany County
Local history books for Albany County
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Guidebooks to historic places in New York
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
When was Harmony Mill No. 3 listed on the National Register?
Feb 18, 1971. It is also a National Historic Landmark, the higher of the two designations.
Source: National Park Service
Can I visit Harmony Mill No. 3?
Yes. Harmony Mill No. 3 is recorded as open to the public.
Source: Wikidata
Where is Harmony Mill No. 3?
100 N. Mohawk St., Cohoes, Albany County, New York. The nearest national park unit is Saratoga National Historical Park, 15 miles away.
Are there historic photographs or drawings of Harmony Mill No. 3?
Yes. The Historic American Buildings Survey at the Library of Congress has drawings or photographs of it.
Source: Library of Congress
Where is the nomination form for Harmony Mill No. 3?
The National Archives holds the nomination form, the document that made the case for listing.
Source: National Archives
Is there cell service at Harmony Mill No. 3?
FCC coverage maps show Verizon 5G, AT&T 5G, and T-Mobile 5G at the listed point. Coverage indoors and behind old masonry is another matter.
Source: FCC Broadband Map
Sources
Location, type and contributing counts come from the National Park Service's National Register spatial data. Listing dates come from the National Register office's spreadsheet where it carries the listing. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 71000525. Nothing here is transcribed by hand. The nomination form and photographs ↗ at NPGallery are the original nomination as filed with the National Park Service, and the form is often the best description of the place. The description under "What it is" is the opening of the Wikipedia article, CC BY-SA. Drawings and photographs are Historic American Buildings Survey records at the Library of Congress, public domain.