Ue 2004b' was a result of the second exploration by Ue which was conducted in 2002, and it is a very interesting report as well as the report of the first exploration which was conducted twenty years ago, since they give the information of the changes of Kohechi of the twenty years.
宇江の2度目の踏査録宇江2004bは、2002年（平成14年）の踏査の記録で、1度目の踏査とあわせて読むと小辺路の20年を経ての変容をうかがい知ることが出来る点でも興味深い。