U.S. map of counties in 4 states with active phosphate mines in 2023

This U.S. map shows select counties in four states - Florida, Idaho, North Carolina and Utah - where there were active phosphate mines in 2023. According to the annual USGS Mineral Commodity Summaries, an estimated 20 million tons of marketable phosphate rock was produced in the U.S. in 2023. USGS map.