Modern day mining/prospecting story which in turn creates a town/village. Read Lucky Jim
more in the post apocalypse genre but there is Gold by Bigzeke
https://storiesonline.net/s/57682/gold
There's a thread about this in the Story Recommendations forum with lots of great suggestions.
https://storiesonline.net/d/s9/t2265/gold-prospecting-or-mining-silver-or-gold