By gift, purchase, or condemnation any city may acquire land within the county where the city is located for garbage disposal sites and rights of way for roadways to the site. “Garbage” includes:
(a) Animal, fruit, and vegetable refuse.
(b) Offal.
(c) Leaves and cuttings, trimmings from trees, shrubs, and grass.
(d) Inorganic refuse and rubbish.
(e) Anything thrown away as worthless.
(Added by Stats. 1949, Ch. 79.)