The hill crops out through pisolitic limestone, in which marine fossils were observable.
"The Discovery of the Source of the Nile" by John Hanning Speke
ARTIFICIAL PRODUCTION OF CALCAREOUS PISOLITES AND OOLITES.
"Scientific American Supplement, No. 286" by Various
Pisolitic Limestone of France.
"The Ancient Life History of the Earth" by Henry Alleyne Nicholson
Pisolitic limestone of France, 120.
"Principles of Geology" by Charles Lyell
Clay ironstone passing into pisolitic hematite.
"In the Arctic Seas" by Francis Leopold McClintock