Model of Jomon women filling a storage pit with nuts.

  Most storage pits were 1-2 m in depth and width.  These pits are quite common during the Middle Jomon period in western Kanto and Chubu.omon women filling a storage pit with nuts.  Most storage pits were 1-2 m in depth and width.  These pits are quite common during the Middle Jomon period in western Kanto and Chubu.