to their place in time and in the culture scale, scientific 
re the da being for the first time adequately applied to the re¬ 
search* Fortunately the stone age with the American aborigines 
had not yet fully passed and a study of the stone shaping arts of 
the Indian tribes, present and past, vigorously prosecuted, threw 
much light upon the subject* The nork of manufacture was given 
particular attention and most important determinations wox*e v;;a-<.o. 
Long practice of the shaping processes made it clear that for each 
ordinary chipped implement produced, numerous partially shaped 
failures resulted, which failures were loft on the chipping sites. 
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generally the sites of the raw material^- &= M j u (X— ft' - '-.. ^ ^ c y 
£*#X. \S tJL'X*,- 1 . 4 JF 
In the eastern United States extensive use was made of 
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water-worn stones, pebbles and boulders, in the manufacture of y ^ 
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. 
implements, selected boulders being used as chipping hammers* w 
j, 
The shops were located largely along the margins of outcrops of 
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glacial and post-glacial for viaticus where the water-worn stones 
occur In great plenty, and it is along these outcrops that the 
rudely chipped failures or rejects of the Indian implement-maker 
