Great Lakes Bottom Mapping Working Group

Contact owners and managers


Formerly the newsletter list, now a way to connect with others in the bottom mapping community.

You can:
- Post any mapping updates to the group!
- Invite others to join (And anyone can request to join).

Learn more about the working group at


English (United States)


Anyone on the web
can see group
Group owners and managers
can view members
Group members
can view conversations
Group members
can post and will be held for moderation
Anyone on the web
can ask to join group