LaSalle County is a county located within the Fox Valley and Illinois River Valley regions of the U.S. state of Illinois. As of the 2020 Census, it had a population of 109,658. Its county seat and largest city is Ottawa. LaSalle County is part of the Ottawa, IL Micropolitan Statistical Area of Northern Illinois.
LaSalle or La Salle is a city in LaSalle County, Illinois, United States, located at the intersection of Interstates 39 and 80. It is part of the Ottawa, IL Micropolitan Statistical Area. Originally platted in 1837 over one square mile, the city's boundaries have grown to 12 sq mi (31 km2). Named in honor of 17th century Illinois valley explorer, the Sieur de La Salle, City boundaries extend from the Illinois River and Illinois and Michigan Canal to a mile north of Interstate 80 and from the city of Peru on the west to the village of North Utica on the east. Starved Rock State Park is located approximately 5 mi (8 km) to the east. The population was 9,582 as of the 2020 census, down from 9,609 at the 2010 census. LaSalle and its twin city, Peru, make up the core of the Illinois Valley. Due to their combined dominance of the zinc processing industry in the early 1900s, they were collectively nicknamed "Zinc City."
The Open Court Publishing Company is a publisher with offices in Chicago and LaSalle, Illinois. It is part of the Carus Publishing Company of Peru, Illinois.
Paul Carus was a German-American author, editor, a student of comparative religion and philosopher.
Prairie School is a late 19th and early 20th-century architectural style, most common in the Midwestern United States. The style is usually marked by horizontal lines, flat or hipped roofs with broad overhanging eaves, windows grouped in horizontal bands, integration with the landscape, solid construction, craftsmanship, and discipline in the use of ornament. Horizontal lines were thought to evoke and relate to the wide, flat, treeless expanses of America's native prairie landscape.
William Warren Boyington was an architect who designed several notable structures in and around Chicago, Illinois. He was also mayor of Highland Park, Illinois.
The Hegeler Carus Mansion, located at 1307 Seventh Street in La Salle, Illinois is one of the Midwest's great Second Empire structures. Completed in 1876 for Edward C. Hegeler, a partner in the nearby Matthiessen Hegeler Zinc Company, the mansion was designed in 1874 by noted Chicago architect William W. Boyington. The mansion is now owned and operated by the Hegeler Carus Foundation, and is open to the public. It was designated a National Historic Landmark in 2007.
Julius Ludwig Weisbach was a German mathematician and engineer. He taught at the mining academy (Bergakademie) at Freiberg. He taught surveying, descriptive geometry, and mineral crystal measurement.
George Washington Maher was an American architect during the first quarter of the 20th century. He is considered part of the Prairie School-style and was known for blending traditional architecture with the Arts & Crafts-style.
Pinebank Mansion was a Queen Anne style house sited on a hill overlooking Jamaica Pond in Boston, Massachusetts. Built in 1868 by John Hubbard Sturgis, it was the only mansion retained by Frederick Law Olmsted in his plans for the Emerald Necklace park system. It was the only original structure remaining in the park system at the time of its demolition in 2007.
Scripps Hall, also known as the Pasadena Waldorf School, was a large American Craftsman or Arts and Crafts style house located in the foothills of the San Gabriel Mountains, in Altadena, California, United States. It was built in 1904 as the central feature of the Scripps Estate, and is listed on the National Register of Historic Places. It was badly damaged by the 2025 Eaton Fire, with the upper school at 209 East Mariposa Avenue completely destroyed.
Carus as a surname may refer to:
Washington Park Historic District, also known as Washington Square is a historic district in and around Washington Park in the city of Ottawa, Illinois, United States. Washington Park was the site of the first Lincoln-Douglas debates of 1858 and is surrounded by several historic structures. The park was platted in 1831 and the historic district was added to the United States National Register of Historic Places in 1973.
Edward Carl Hegeler was an American zinc manufacturer and publisher.
Victor Andre Matteson was an American architect. His practice was based in Chicago and LaSalle, Illinois.
Frederick William Matthiessen was a philanthropist, industrialist, and mayor of LaSalle, Illinois. He was instrumental in the creation of Matthiessen State Park. Matthiessen was the paternal grandfather of scholar and Harvard professor F.O. Matthiessen.
Christian Bai Lihme was a Danish-born naturalized American chemist, industrialist, and art collector.
The Mattheissen and Hegeler (M&H) Zinc Company was a zinc manufacturing company headquartered in LaSalle, Illinois. At one time, the family-owned company was the largest zinc manufacturing plant in the United States. The company brought zinc ore from Wisconsin and Missouri to the coal fields of Northern Illinois. The company and its founders had a large influence in the development of LaSalle & Peru, Illinois.
Mary Hegeler Carus was an American engineer, editor and entrepreneur. In 1882 she was the first woman to graduate in engineering from the University of Michigan.
