In 2021, the production volume of rock salt in the United States amounted to some 17.5 million metric tons. Rock salt was the largest category of salt produced in the U.S. that year.
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US Geological Survey. (May 3, 2024). Salt production in the United States from 2012 to 2021, by type (in 1,000 metric tons)* [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 22, 2026, from /statistics/272853/us-salt-production-since-1989/
US Geological Survey. "Salt production in the United States from 2012 to 2021, by type (in 1,000 metric tons)*." Chart. May 3, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 22, 2026. /statistics/272853/us-salt-production-since-1989/
US Geological Survey. (2024). Salt production in the United States from 2012 to 2021, by type (in 1,000 metric tons)*. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 22, 2026. /statistics/272853/us-salt-production-since-1989/
US Geological Survey. "Salt Production in The United States from 2012 to 2021, by Type (in 1,000 Metric Tons)*." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 3 May 2024, /statistics/272853/us-salt-production-since-1989/
US Geological Survey, Salt production in the United States from 2012 to 2021, by type (in 1,000 metric tons)* ÌÇÐÄÆÆ½â°æ, /statistics/272853/us-salt-production-since-1989/ (last visited July 22, 2026)
Salt production in the United States from 2012 to 2021, by type (in 1,000 metric tons)* [Graph], US Geological Survey, May 3, 2024. [Online]. Available: /statistics/272853/us-salt-production-since-1989/