Rockhounding Pennsylvania and New Jersey: A Guide to the States' Best Rockhounding Sites, Edition 2

Rockhounding New York: A Guide to the State's Best Rockhounding Sites, Edition 2

Rockhounding New York: A Guide to the State's Best Rockhounding Sites

Rockhounding Delaware, Maryland, and the Washington, DC Metro Area: A Guide to the Areas' Best Rockhounding Sites

Rockhounding Virginia: A Guide to the State's Best Rockhounding Sites

Rockhounding Wisconsin: A Guide to the State's Best Sites