The Victoria history of the county of Bedford . { ^^^/\j^ ? ??fi£jj,lr« .^;a ,,.;.J^1 ;;>o«i.;.«w; Vf/jaS^ :?-;? ,/ ti,,-.,.),,,,- *1„T:,. ^^- -tt vi--AACf^f* /art. ,.„«^; .^?^-^^^;rVir. REFERENCE NOTE 800 feet600 To 800 feet400 to 600 feet200 to 400 feetliHj to 200 feetbelow 100 feet 30 J Sfiaitluilomcw- THE COUNTIES OF ENGLAND County Boundary shown thus GEOLOGY existing south-eastern river-system originated, and that the northern es-carpment of the Chalk commenced to be formed by the erosion of ariver with its tributaries flowing towards the north. There is no reasonto supp
The Victoria history of the county of Bedford . { ^^^/\j^ ? ??fi£jj,lr« .^;a ,,.;.J^1 ;;>o«i.;.«w; Vf/jaS^ :?-;? ,/ ti,,-.,.),,,,- *1„T:,. ^^- -tt vi--AACf^f* /art. ,.„«^; .^?^-^^^;rVir. REFERENCE NOTE 800 feet600 To 800 feet400 to 600 feet200 to 400 feetliHj to 200 feetbelow 100 feet 30 J Sfiaitluilomcw- THE COUNTIES OF ENGLAND County Boundary shown thus GEOLOGY existing south-eastern river-system originated, and that the northern es-carpment of the Chalk commenced to be formed by the erosion of ariver with its tributaries flowing towards the north. There is no reasonto suppose that any great physiographic alteration has taken place sincethat time in the lower valley of the Thames, besides its deepening andits widening on the north where it has encroached upon the catchment-basin of the northerly-flowing river; but many changes must have takenplace in the course of the latter river during the long period in whichit has been developing into the present sinuous Ouse. But the features then impressed upon this district were afterwardsobliterated by the great ice-sheet which advanced from the north andploughed up the surface, leaving its record in the chalky boulde
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnaturalhistory, booky
