Apex rule

What does Apex rule mean in American Law?

The definition of Apex rule in the law of the United States, as defined by the lexicographer Arthur Leff in his legal dictionary is:

A term in mining law for the rule specifying in detail the mining rights in veins and ledges of ore as they course through the land held by possessors of mining claims and patents in lands in the U.S. public domain. It is called “apex rule” because one of the key reference points is the “apex of the vein,” i.e., its point closest to the surface. The rule is set out in 30 U.S.C. § 26.

Meaning of Apex Rule

In this law dictionary, the legal term apex rule is a kind of the Mining law class.

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