Had a chance to get out last night for a few hours. 1860s house site. A lot of iron but no modern trash. Managed to pull a large cent from the iron about 5 inches deep but more interestingly I found 3 heel plates. 2 hearts and a clover. I was starting to think maybe the Lucky Charms guy lived there. Was using Gmp with in 12 with the reactivity bumped up. Thanks for lookin