News All municipal offices and libraries closed on Monday SHARE ON: Kenny Trenton, contributor, Friday, Jun. 30th, 2017 Photo: Supplied by Kenny Trenton All municipal offices are closed Monday for the Canada Day long weekend. The Haliburton County offices and libraries in Minden are closed as well. However, tourist attractions in the county are open such as the Haliburton Highlands Museum and the Dorset lookout tower. The landfill in Algonquin Highlands will be open on Monday. All offices and county libraries will reopen on Tuesday.