National Gypsum is digging new quarry | News, Sports, Jobs ...
Nov 12, 2017· Mine is moving across the street to location which should last 40 years. In a few more years, the rock in National Gypsum's quarry northeast of Fort Dodge will be gone. Today the company is hard at work digging a new pit, just across the road, where it will continue mining one of the area's most important natural resources for years to come.