Here's the total haul from 3 trips -- graders, pan excavators and bulldozers will soon seal the rest off for good, so I'm trying to save as much of this stuff as I can!
Go hit it hard before its gone. You have a Civil War union eagle button, and two backs to the same type button. You also have a late colonial early 19th century button, civilian pattern. They were commonly used long after the colonial period as replacement buttons on just about anything. I also see a CW knapsack "J" hook and CW bullets there. You also have a lot of Sharps carbine bullets there and Colt pistol bullets, among others. Looks like a cavalry camp.
Wow Smokey -- You have some GOOD EYES!! I had to look at that Eagle button under a magnifying glass for a half an hour to figure out what it was (I was hoping it was a Connecticut button -- I found a beautiful one when the parcel next to this one was developed a few years ago). I realized the angle I took the photo from before missed one of my favorite parts of the haul -- what I think is part of a kepi buckle -- here's a close up of it:
Assuming its brass it is a kepi buckle. The one larger iron buckle is from a knapsack. The one piece with two studs it in is a sword or knife hanger. Some type of clip. AKA a clippy thingie.
I know jewelerguy --that's why I'm putting the word out to every detectorist I know anywhere close to Frederick Maryland to get out to this field -- it's not like a honey-hole that I'll have forever and want to guard -- I just want as much history saved as we can save!!
Happy to join you, live 5 min from the site. Can you p.m. me with details on how you were granted permission to hunt. Don't want to show up and find trouble, if you know what I mean? I'll buy you a shake from Chick-fil-A!