Historical Sites in Mastodon Township 1 Historical Sites in Mastodon Township Mastodon Township SearchAll (22)Hotels & lodging (1)Parks & nature (6)Home Health Services (1)Churches & Places of Worship (2)Real Estate Offices (1)Historical Sites (1)Grocery & food markets (2)Car & vehicle dealers (1)Auto repair & services (2)Electricians (1)Discount Stores (1)Brule River Historical Sites