Guides

Complete Guide to Cleaning and Preserving All Coins, Tokens & Medals

http://metaldetectingworld.com/cleaning_preservation_coin.shtml

Garden State Numismatic Association

http://www.gsna.org/

How Metal Detectors Work

http://www.howmetaldetectorswork.com/page14/page7/page7.html


National Historic Preservation Act
http://www.nps.gov/archeology/tools/Laws/NHPA.htm

Antiquities Act
http://www.nps.gov/archeology/tools/Laws/antact.htm

Archeological and Historic Preservation Act (AHPA)

http://www.nps.gov/archeology/tools/Laws/AHPA.htm