General geology, classification, and use of clays, and use of bentonite as a lower-cost canal lining material /

Mode of access: Internet.

Detail plan of construction for the spring below the rose garden. Estate of A. J. Lichtstern, Esq. Highland Park, Illinois.

Ink on linen; plan of pool and falls, sectrions of pool and ravine; signed. 96 x 42 cm. Scale : 1"=1' [from photographic copy by Lance Burgharrdt]