There's that but the cost will become shared. Then look at roads in ground that's getting wetter, road elevations ("Permafrost is prevalent in valley bottoms,"), distance to port, shipping costs to market, needs a closer source of lime, high royalty costs, 1-84 showing price cone settings, 1-91 paragraph 4 on., I could start getting nit picky here and there is lots to nitpick.
However, they have a quarter of the shares and are at 61 cents. Divide that by four and they would be worth 15 cents a share if they had as many outstanding as we do. $57M market cap? Cheap cheap cheap. So despite all the detractions the NPV vs overall costs make it attractive. No, this one will never win the race but price is king.