Inclines, [65], [66], [67], [68].

capacity, [78].[ ]

Infiltration type of deposits, [24].

Intelligence as factor of skill, [163], [164].

Interest calculations in mine valuation, [43].

Intervals, level, [88], [89].

Inwood's tables, [46], [47].

Iron hat, [27].

leaching, [27].

Ivanhoe mine, West Australia, [112].