OTCQX:NTTHF - Post by User
Post by
allyboyson Jun 21, 2021 5:59pm
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Post# 33424692
Cut-off
Cut-offWhy is the cut-off at 800 mpl in the higher grade north zone when the cut off is 400 mpl in the lower grade zone? I though ORL has lower grade LI that is produced at a profit?