Except for the grenades laying around...
Normal near war zones. And large training base like FT Bliss.
Was it a 67 VN era or old Mk duce pineapple ?
Damn things were all over northern Italy an rest or Europe. RSP’d thousands of those in my day.
Bliss Bragg Hood Dix etc always had uxo in many forms showing up at original sites an or “collections” as you know.....
Now add the cartels in the mix an location near a DOD site an not suprising considering the history an current events of the area.
Stay safe....