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Saint-Gaudens National Historical Park

(Encyclopedia)Saint-Gaudens National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Thomas Edison National Historical Park

(Encyclopedia)Thomas Edison National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Reconstruction Era National Historical Park

(Encyclopedia)Reconstruction Era National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Nez Percé National Historical Park

(Encyclopedia)Nez Percé National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Ocmulgee Mounds National Historical Park

(Encyclopedia)Ocmulgee Mounds National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Women's Rights National Historical Park

(Encyclopedia)Women's Rights National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Chaco Culture National Historical Park

(Encyclopedia)Chaco Culture National Historical Park: see National Parks and Monuments (table)national parks and monuments (table). ...

Grand Prairie

(Encyclopedia)Grand Prairie, city (2020 pop. 196,100), Dallas and Tarrant counties, N Tex., halfway between Dallas and Fort Worth; inc. 1909. Located in a highly urba...

mathematical logic

(Encyclopedia)mathematical logic: see symbolic logic. ...

United Nations Conference on Environment and Development

(Encyclopedia)United Nations Conference on Environment and Development (UNCED) or Earth Summit, an 11-day meeting held in June, 1992, in Rio de Janeiro, Brazil, to discuss the global conflict between economic devel...