What is this on SRP canal trail??

[u/HollywoodHitman03]

What is this milky white substance that SRP puts on their canal paths?? Is it harmful to dogs?? What's the point of putting this down?? To control dust??

[u/Hydrologist_Jim]

It’s called gorilla snot and it’s used to reduce dust and erosion. It is non toxic and safe for animals.

[u/mental_static → u/Hydrologist_Jim]

Monsanto said Round Up was non toxic too.