Text ( visual ) : unmediated A text-book of geology / by Philip Lake and R.H. Rastall. -- 3rd ed. -- London : E. Arnold , 1920. -- xiv, 508 p., xxxiii leaves of plates : ill. ; 22 cm. -- Includes index. -- (BA50437412) ; https://ci.nii.ac.jp/ncid/BA50437412 Author Heading(s): Lake, Philip ; Rastall, R. H. (Robert Heron)