Yep, No Problem Jim.
I can add More Here.
Too Much to Type all up at once, Being I hunt & Pek.
"Many State Recreation areas have the potential for the recovery of Valuable Historic Objects, State Recreation areas with this potential May have part or all of the area closed to metal detecting".
"Shovels,spades,garden trawels,and other similar tools may not be used to dig into or turn over ground areas that are COVERED BY turf, vegitation,shrubs,or trees. Permissable digging tools are screwdrivers,ice picks, and other similar narrow prong devices."
"Individuals who want to use a metal detector in a state recreation area, must receive prior approval from the appropriate park office and report items which are found and will be removed from the park. Items recovered become the PROPERTY OF THE FINDER, except for those of historical significance"
THE ABOVE GUIDELINES ONLY PERTAIN TO STATE PARK LANDS.
Persons should contact the PA GAME COMMISSION
PA FISH & BOAT COMMISSION
and/or the D.E.R. BUREAU OF FORESTRY
For Guidelines applicable to their lands.

in addition,

Persons should Consult the Pennsylvania Historical and Museum Commission, when they are seeking to find Historical artifacts
The Commission has Legal Responsability under the :P HISTORIC PRESERVATION ACT (#253 of 1978)