In this episode The Lone Ranger finds, and names, his horse "Silver".
The Lone Ranger and an old friend, Jim Blaine, show Tonto the secret silver mine, concealed by a ramshackle old shack. The Lone Ranger tells Jim he wants some of the silver refined and made into silver bullets, to serve as a symbol of "justice by law", so all who see the the silver bullets will know the Lone Ranger only lives and fights to see the eventual defeat and proper punishment by law of every criminal in the west.