MNTAIN has various meanings in the NOTAM Contractions category. Discover the full forms, definitions, and usage contexts of MNTAIN in NOTAM Contractions.
Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming Mountaintop mining, sometimes considered a variation of contour mining, refers to the mining of a coalbed that underlies the top of a mountain. The overburden, which is the mountaintop, is completely removed so that all of the coal can be recovered. The overburden material is later replaced in the mined-out area. This method leaves large plateaus of level land.
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