14 US GS st at e miner al ofc es mining c ompan y w ebsit es PR ODUC TION and PREP ARA TION Mined P r oducts fr om Y our Stat e 20 18 Montana C oal c opper palladium c e ment platinum g old sand and gr a v el Nebr ask a C ement sand and gr a v el st one lime Ne v ada C opper g old lime sand and gr a v el silv er N e w Hampshir e Sand and gr a v el st one g emst ones N ew Jer se y P eat sand and gr a v el gr eensand marl N ew Me xic o C oal c opper c ement potash sand and gr a v el st one N ew Y ork C ement salt st one sand and gr a v el zinc Nor th Car olina C la y phosphat e r ock sand and gr a v el st one f eldspar Nor th D ak ota C oal c ommon cla y s lime sand and gr a v el st one Ohio C oal c ement lime salt sand and gr a v el st one Oklahoma C oal c ement iodine sand and gr a v el st one Or eg on C ement diat omit e perlit e sand and gr a v el st one P enns ylv ania C oal c ement lime sand and gr a v el st one Rhode Island Sand and gr a v el st one South Car olina C ement cla y g old sand and gr a v el st one South D ak ota Gold c ement lime sand and gr a v el st one T ennes see C oal c ement zinc sand and gr a v el st one T exa s C oal c ement salt sand and gr a v el st one Utah C oal c ement c opper magnesium metal salt sand and gr a v el V ermont St one sand and gr a v el talc g emst ones V ir ginia C oal c ement lime sand and gr a v el st one W ashing t on C ement diat omit e sand and gr a v el zinc st one W est V ir ginia C oal c ement lime sand and gr a v el st one W isc onsin Lime sand and gr a v el st one W y oming C oal c ement bent onit e cla y s helium sand and gr a v el soda ash ur anium