Category:University of Washington Nuclear Reactor Building

**More Hall Annex**
	former nuclear laboratory on the campus of the University of Washington
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Instance of	Argonaut class reactor (1961–1988); university building (University of Washington);
Location	University of Washington, Seattle, King County, Washington, Pacific Northwest, Washington, Pacific States Region
Architectural style	brutalist architecture;
Owned by	University of Washington;
Heritage designation	National Register of Historic Places listed place (A, C, NRHP building, Nuclear Reactor Building, 2009–);
Inception	1961;
Dissolved, abolished or demolished date	July 2016;
	47° 39′ 10.09″ N, 122° 18′ 16.08″ W
Authority file
	Q28074807; NRHP reference number: 08001158
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This is a category about a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 08001158.

English: University of Washington Nuclear Reactor Building also known a More Hall Annex; opened in 1961, the reactor stopped operating in 1988, fuel rods were removed in the years that followed, decontamination continued in 2006. Added to Washington State list of historic places in 2008 and to the National Register of Historic Places in 2009.