Mary poked a garden fork tine into the mainline pipe of the garden irrigation plumbIng:
Fortunately, I have a pipe clamp for just such occasions:
After installing the clamp, we excavated the reddish lump just beyond it:
It’s a purple sweet potato, one of several that had escaped from their assigned plot, grown beyond the pipe, and burrowed under the path.
Her garden is as neat and tidy as a garden can be, but digging in the soil to find the crops isn’t an exact process!