as coal is accepted as of a vegetable origin, so is this gas the result of the decay and distillation of plants, its analysis showing its greater properties, about 65 to 70 percent, to be marsh gas, which is a formation from decaying vegetable matter.
(coal; is accepted; as of a vegetable origin) (its analysis; showing; its greater properties) (marsh gas; is; a formation from decaying vegetable matter)
coal its analysis marsh gas
is accepted showing is
as of a vegetable origin
its greater properties
a formation from decaying vegetable matter