...the area, the Upper Lias Clay, that a number of considerable rivers, flowing through the palaeozoic district lying to the north-west, formed a great delta....reefs and the accumulation of dead-shell banks during enormous periods of time, the materials of the great deposits ot the Lincolnshire Oolite limestone...

...the area, the Upper Lias Clay, that a number of considerable rivers, flowing through the Palaeozoic district lying to the north-west, formed a great delta....depth, by the abundant growth of coral reefs and the aeeumulation of dead-shell banks during enormous periods of time, the materials of the great deposits...

...of considerable rivers. flowing through the Palaeozoic district lying to the north-west, formed » great delta. Within the area of this delta the usual...depression of the area, the conditions were changed, and in on open sea of no great depth, by the abundant growth of coral reefs and the accumulation of dead-shell...

...formed a great delta. Within the area of this delta the usual alternations of marine, brackish water, and terrestrial conditions occurred, and more or less...reefs and the accumulation of dead-shell banks, during enormous periods of time, the materials of the great deposits of the Lincolnshire Oolite limestone...

...formed a great delta. Within the area of this delta the usual alternations of marine, brackish water, and terrestrial conditions occurred, and more or less irregular accumulations of sand or mnd in strata of small horizontal extent, took place. Subsequently, and probably in consequence of...