p. 6

Lower Siluran
Trenton limestone of NY
Galena Limestone of Wisconsin

Cumberland House (Richardson p 54)
Becraft Mt. near Hudson (Eaton) Carlisle,
Pa. Lead region*, Wisco and also at
Emerald Grove, Whitewater, Fort Atkinson
and Watertown Wisconsin (I.A.L.)
Bay St. Paul, Canada and Ottawa river
Canada.

Dickson Ill

*At Wyota specimens were found with the tubes
filled with lead sulphuret of lead.