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Custer Office: 8:00 a.m. - 4:00 p.m.
Milwaukee Office: 9:00 a.m. - 4:00 p.m.
Minnesota Office: 9:00 a.m. - 4:00 p.m.
Our Custer Office is open to the public for guided tours, Monday - Friday at 1:00 p.m. or by appointment, for $3.00 per person.
To schedule a tour or for more information, click Visit.