![BLM approves 100acre expansion at Gypsum mine |](/6ky5vhl/252.jpg)
BLM approves 100acre expansion at Gypsum mine |
Jun 26, 2020 · American Gypsum's current gypsum mining permit area is 830 acres, with current surface disturbance at about 191 acres. American Gypsum is the largest mining and wallboard production operation in the state of Colorado and the thirdlargest employer in the town of Gypsum. The company contributes 100 jobs to the local economy for an estimated ...