Arundel Hills Park is open dawn to dusk. Obey park rules. There is a short (200 meter) walk from the parking lot up to the park.
This is a unique container, a LFL. The log book is inside. If you haven't heard of an LFL, it's kind of like a BFL, but smaller.
N 39° 11.923'
W 76° 37.992'
Sbhe srrg NTY
Four feet AGL