NNSM的全称：North North Slope Mine | 中文意思：───北北坡矿
NNSM的全称：Northern Number Sixteen Mine | 中文意思：───北十六号矿井
NNSM的全称：Northern Northern Strip Mine | 中文意思：───北北露天矿
NNSM的全称：Northeast Northeast Slope Mine | 中文意思：───东北东北坡矿
NNSM的全称：Newsam Number Six Mine | 中文意思：───Newsam六矿
NNSM的全称：New Norris Slope Mine | 中文意思：───诺里斯新坡煤矿