u/Alarmed_Student_9663

I thought it was foam/insulation at first and then i went to clean up the dirt area in my garden and realized i basically uprooted this thing. I’m in ontario canada, what could this be?

I thought it was foam/insulation at first and then i went to clean up the dirt area in my garden and realized i basically uprooted this thing. I’m in ontario canada, what could this be?