I've been researching metal detecting laws in California, which is where I live. But based upon an answer to someone else asking the question on another website, this was the answer they received:
The California Code of Regulations, Title XIV, Division 3, Section 1 contains four sections applicable to the use of metal detectors in State Parks. Section 4305 prohibits the disturbance of any animal, Section 4306 prohibits the disturbance of any plant, Section 4307 prohibits the disturbance of any geological feature, and Section 4308 prohibits the disturbance of any archaeological feature. These regulations define, plant life as including; leaf mold, grass, turf, and humus; and geological features include earth, sand, gravel, and rocks.
The act of passing a metal detector over the ground in a State Park is not against the law. The prying up or digging out of an object however may be, as this may not be done if it disturbs the animals, plants, geological or archaeological features. Section 4309 gives the Department the authority to grant permits to disturb resources if it is in the best interest of the Department to do so.
Since the units of the Department are extremely varied, we have delegated the authority to regulate activity related to metal detectors to our District Superintendents. Therefore, you will need to contact personnel in the park in which you wish to perform metal detecting and follow their instructions as to where and how you may metal detect.
Do they mean public parks are included as well? Or is this just referring to state property and parks?
Pillar Of The Community
Just a suggestion, but for state parks, you may mention having a tool that will allow you to replace the grass and turf above the coin--e.g., take out a nice big chunk with a sharp trowel, then dig down to your hit, then replace the dirt and place the turf back on top. I used to do this in my backyard to hunt earthworms for fishing, and I promise, if you take a decent chunk (about the size of a baseball) with the next rain the earth will run back together, and the grass will not be particularly disturbed--it'll grow just fine.
I unfortunately don't have a detector, but that would be my suggestion--"disturb" would seem to mean "harm," so.
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