Track_Shovel@slrpnk.net to Today I Learned@lemmy.worldEnglish · edit-29 months agoTIL about Hallstatt mine; the oldest mine in the worldphys.orgexternal-linkmessage-square9fedilinkarrow-up1126arrow-down12file-text
arrow-up1124arrow-down1external-linkTIL about Hallstatt mine; the oldest mine in the worldphys.orgTrack_Shovel@slrpnk.net to Today I Learned@lemmy.worldEnglish · edit-29 months agomessage-square9fedilinkfile-text
minus-squareTrack_Shovel@slrpnk.netOPlinkfedilinkEnglisharrow-up3·9 months agoI don’t know the area; I’m NA based, but salt deposits near the surface are pretty rare. Our deepest mines are salt mines.
I don’t know the area; I’m NA based, but salt deposits near the surface are pretty rare. Our deepest mines are salt mines.