City of Hanover issued the following announcement on Jan. 29.
The Planning Commission Packet is on the website for Monday, January 27th at 7 pm in City Hall. The ordinance amendment related to the Mining Ordinance is on the agenda. The proposed amendment is related to mining hours. Here's a link to the packet: https://www.hanovermn.org/vertical/sites/%7B16C6D2AE-89FC-4A97-9E92-3449C8A9165C%7D/uploads/01-27-20_Complete_Agenda_Packet.pdf
Original source can be found here.
Source: City of Hanover