i did a video several years ago showing a mole caught in a hill , so nothing new there,
it was a numbers game to me , i got paid per mole , no mole no fee, so you got to understand i wanted that mole first and only check, no messing about trying to get them after a few visits, you learn quickly when your loosing money , as for soil types , try setting on loose newly drilled soil in dry weather, you cannot till a trap properly in the conventional manner , so you learn other ways,
i got offered 10 pence per dry mole skin about 10 years ago and even catching between 6000 - 8000 moles a winter