(16) If the parks were thickly planted with trees whose foliage was beautiful, and whose timber at the same time was of value, then when the demand for the fuller use of the parks arose, necessitating clearing, the trees would have become a valuable asset, and the income from the timber available for removal might be made to materially assist in the more elaborate development of the parks.
(the parks; were thickly planted; with trees) (trees; was; beautiful) (the demand for the fuller use of the parks; arose; ) (the trees; would have become; a valuable asset; T:then; T:when the demand for the fuller use of the parks arose, necessitating clearing)
the parks trees the demand for the fuller use of the parks the trees
were thickly planted was arose would have become
with trees
beautiful
a valuable asset T:then T:when the demand for the fuller use of the parks arose, necessitating clearing