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MR. C. DAWSON ON THE DISCOVERY OF 



[March 1913, 



material remained ; we also dug up and sifted such portions of 

 the gravel as had been left undisturbed by the workmen. 1 . . 



Fig. 1. — Plan of the basin of the Sussex Ouse, showing the distribution 

 of iron- stained flints and flint-bearing gravels. 



For many years the harder layers of this gravel-bed have been 

 intermittently worked for farm-road material, as shown by old 

 excavations which are now overgrown, but are traceable over the 

 adjoining fields ; and there is known to exist a gravel-bed of 

 appreciable thickness extending over several neighbouring acres. 

 Where the beds have been naturally denuded, a large number of 



1 These excavations were undertaken with the kind consent of the Lord of 

 the Manor, Mr. G-. M. Maryon-Wilson, and of Mr. Robert Kenward, tenant of 

 the farm, to whom the Authors wish to record their grateful acknowledgments. 



