3 adjectives to describe goldfields

As the southern goldfields spread and became thickly-populated, the food supply was an important question, and men's eyes naturally turned to the well-stocked northern stations, from which many cattle were being sent south by steamer.

Economically, no doubt, "rush" is the proper word to apply to the old stampedes to colonial goldfields.

In 1861 profitable goldfields were discovered in Otago.

3 adjectives to describe  goldfields