I see this happening on a gravel road on my own property no longer in use, now thinly vegetated, but it boggles my mind that the same action could swallow a set

I see this happening on a gravel road on my own property no longer in use, now thinly vegetated, but it boggles my mind that the same action could swallow a settlement or the remains of a settlement in such a short time period. That’s quite a lot of earth building!