Click on this BLM link to find more information on gold prospecting and mining claim filing.http://www.blm.gov/wo/st/en.html
Information on this website seems to be state-related. Be sure to search using the particular state you are interested in. It is very difficult to find current general information.
State Addresses and contact information:
iClick below for information on Utah
Click below for information about Idaho mining claims.
Click below for information about Nevada mining claims:
Click below for information about California mining claims. Good Site for other informaiton as well..
Click below for information about Arizona mining claims.
Click below for information about mining in Wyoming: