Skip to main content
Friends of the State Line Serpentine Barrens
User account menu
Log in
Main navigation
Home
About the Friends
Mission and History
Leadership
Activity Reports
Volunteer Opportunities
About the Barrens
Barrens
Mining and Quarrying
Publications
Events
Donate
Visit
Search
Home
Joseph K. Sheldon
Joseph K. Sheldon
Retired entomologist; Au Sable Institute of Environmental Studies