Webum > Regional > North America > United States > Minnesota > Science and Environment > Organizations Environmental Minnesota Archaeological Society Nonprofit organization welcomes both avocational and professional archaeologists. Events calendar, meetings (often associated with an activity), photos, membership information. Upper Midwest Rock Art Research Association Publicizing petroglyph and pictograph research in the Upper Midwest. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor