No sod, loam, gravel, sand, earth or stone shall be excavated
and/or removed from any land within the limits of the Town, except
such as shall be incidental to the erection or construction of a building
on the lot or lots from which such is to be removed or from adjoining
land owned by the same person, and then only after a permit for such
building has been issued by the Building Inspector; or when the removal
of such is a requisite to the construction or alteration of a street
over or where the removal is made.