Two Reports: On the Coal Lands, Mines and Improvements of the Dauphin and Susquehanna Coal Company, and of the Geological ExaminatiRichard Cowling TaylorUitverkochtHou mij op de hoogte
On the Geology of East Norfolk: With Remarks Upon the Hypothesis of Mr. J.W. Robberds, Respecting the Former Level of the German OceanJohn Warden RobberdsUitverkochtHou mij op de hoogte
