Not as much as many, but dug at Mount Vernon for a summer, a southern plantation for a summer and some contract work. Keep in mind that for every day an archaeologist spends in the field, they spend three in the lab. I've started volunteering in the lab at my old grad school and my sil is pursuing her Phd right now, so if I can't answer or if it's very specific, I can probably find someone who can. Ironically, I might end up going back into the field (actual - blazing hot, humid, dirty - field) next summer.
Now my curiosity is high