MICHIGAN DNR
(HWA) Hemlock Woolly Adelgid: Invasive Species in Michigan
Education
Education
Equine Land Conservation Resource
State Forestry Public Input Process
Horse Manure and Trails
Horses and Packstock Unlikely to spread Invasive Plants Along Trails
Trail Talk Weeds and Horse Manure
Horse Manure on the Trails: Should we do something?
Does horse manure pose a significant risk to humans?
Trail etiquette: what to do with horse poo