The site of Kuwazu extends from 3 meters
to 6 meters at a slope of east side of the
Uemachi table land . The site is complex
historic sites from the Jomon to the medieval period
.Historic remains of the former half of the
middle of the Yayoi period were excavated
by the construction of replanning of streets
in the beginning term of the Showa era .
Stone tools which were presumably used
for spearheads in the beginning term of the
Jomon era , a group of buildings in the Nara
era and the oldest writing materials made
of wood in Japan were found lately . Such
stone tools were found that were used for
martial instruments like spears , for stone
axes to make wooden hoes and spades ,for
flaying and sewing up animals, for a net-sinker
.
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