R.I. Gen. Laws § 46-7-1: Marking of Pawtucket River channel.

The director of the department of environmental management shall accurately mark the channel of the Pawtucket River by erecting and placing suitable stakes and buoys along the sides of the channel at the request and for the convenience of persons interested in the navigation of the river. Whatever expenses shall be incurred in the performance of these duties shall be paid from any appropriation which the department of environmental management is or may hereafter be authorized to expend.