This US Geological Survey General Interest Publication provides a brief overview of how one might collect rocks. In this site, you will find:
– Brief of overview of rock types.
– How to start a collection
– How to Identify Rocks
– Where to find “collectable” rocks
– Equipment one might need.
– How to house a collection.
– Hints on building a collection.
Nice short document. FOr the general interest person the short rock description portion is quite useful.