337. Covenant to work in a particular manner.

A covenant to work a mine1 in a particular way, as in a workmanlike manner or in accordance with the method usually practised in the district2, does not bind the lessee to work at all, but only to work in the way specified when he does work3. However, if stipulations as to the method of working are added to a covenant to work, such stipulations do not detract from the obligation to work, but impose an additional obligation4.

In the absence of express stipulation, the convenience and business interests of a lessee in pursuing a regular course of working through