US: The US Geological Survey (USGS) reports that 17Mt of gypsum was mined in the first three quarters of 2021, a rise of 9% year-on-year from 15.6Mt in the same period in 2020. Imports grew by 14% to 5Mt but synthetic gypsum supply declined by 10% to 9.75Mt. Total gypsum board product sales grew by 8% to 1.94Bnm2 from 1.80Bnm2.