X. --On the Chalk and Sands beneath it (usually termed Green-sand) in the Vicinity of Lyme Regis, Dorset, and Beer, Devon

H. T. De la BECHE
1826 Transactions of the Geological Society of London  
doi:10.1144/transgslb.2.1.109 fatcat:xuskc2k6jjdmjeotpyo7akhmua