Before a single ton of gold ore can be extracted, work at the Homestake mine must continue for two whole years, preparing the shaft and drifts for mining operations during the 1940s."

Royalty-Free Standard Licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard license has no limitations and covers up to 15 users.