10-K 2021
03/31/2022
https://728a6835-c471-4ca5-90de-39ab017faaa5.filesusr.com/ugd/a282de_531fe5969efb41bbb055263ebc5e4581.pdf
USAC is a publicly traded (NYSE: UAMY) natural resource company and the only significant antimony producer in the United States — vertically integrated across mining, milling, smelting, and sales.
10-K 2021
03/31/2022
https://728a6835-c471-4ca5-90de-39ab017faaa5.filesusr.com/ugd/a282de_531fe5969efb41bbb055263ebc5e4581.pdf