Chapter XVIII.
KILNSEY CRAGS. PENISTON CRAGS.
A lofty range of limestone rocks The abrupt descent of Peniston ... stretching nearly half a Crags particularly attracted her mile along the valley, and notice; especially when the rendered perhaps, more striking setting sun shone on it and the by contrasting with the vale topmost heights, and the whole immediately at its base. extent of the landscape, besides [by contrasting] lay in shadow.
Clearly Joseph's "leading of lime" from Peniston Crags in _Wuthering Heights_ was suggested to Charlotte Brontë by the "Kiln" of Kilnsea Crags, and Montagu's reference to the crags being limestone. Dean describes them to Cathy, and her words are simply Montagu's description--treated antithetically--of Gordale Scar in the Malham letter:--
MONTAGU. _Wuthering Heights._