I think that the moles are digging-in for a Spring offensive. This is three days of work:

I think that this is the Regimental HQ. The square is a 4″ x 4″ target:

28°C max [yester]day; 27 the two days [previously]. 100% sunshine since last week-end.
I wondered where all our moles had gone! On vacay with DAD! 🙂
The Southlanders 1958 😉
https://www.youtube.com/watch?v=kTvpKkIdPIs