Trying to learn my new D2 coil today and I think it went rather well. The Jefferson is 1941, the buffalo is 1930 and the quarter is 1947 all found within 6 inches of each other at 5 inches deep. The pipe was a few feet away. The site has been hunted heavily through the years but is very trashy and evidently much has been left behind. I am amazed that the 10" dd handled it so well.