Attration Category
From 1989 to 1990, the first test excavation pits were found in 8, two housing sites, housing sites for the rectangular shape,Into the wall with a piece of stone, wall wiping Wong, and unearthed a large number of stone, bone, pottery, and decorations. Chipped stone implements unearthed and polished stone axes, stone knives, stone hoes, stone hammers and stone crushing grind of water spar; bone and bone grinding and more made by the animals, beautiful, sharp, bone combs, bone needles; pottery gray, black and reddish brown, the surface of the Jomon, incised, palm prints, fingerprints, etc., have ears tank-type, standard, bowl and so on. The upper part of the site dating by carbon-14 dating, the age of the 3500-3700 years.