I'm envious of that patch. I remember growing up going to my grand parents and walking through the woods with my brother and grandma picking milk jugs full of blackberries and then coming back to have her make us blackberry cobbler. We have some land I used to hunt that had a HUGE blackberry field on it. I'm talking a good 100-150 yards long by about 40 or 50 yards wide, full of blackberries. Until of course the gas company had to come through to get to their pipeline and cut half the field down for the right of way. So ok it sux but we still got half a field, still enough for my family and aunts and uncles to get plenty of berries. Until the following year where they cut the other half down, because apparently the other part they cut down wasn't big enough. Bushes haven't come back in the 2 or 3 years since.