It shall be unlawful to smoke or ignite tobacco or other smoking material in any form upon grain, grass, brush or timber covered lands belonging to another, including lands publicly owned, or upon any road, path or trail traversing such lands, between June 1st and October 31st, inclusive, of any year, except in the following places:
(a)
In improved camp sites.
(b)
In places of human habitation.
(c)
In automobiles equipped with ash trays while on improved roads or trails.
(d)
While on foot and stopped in an area at least three (3) feet in diameter which is completely clear of any flammable matter; provided, however, that all burning or glowing substances shall be completely extinguished before being discarded.