https://medium.californiasun.co/san-joaquin-valley-california-subsidence-4ae5603f717f https://medium.californiasun.co/san-joaquin-valley-californi... <- second

https://medium.californiasun.co/san-joaquin-valley-california-subsidence-4ae5603f717f https://medium.californiasun.co/san-joaquin-valley-californi... <- second picture with the large pole and the signs on it is... impressive/instructive?