文化四丁卯年五月廿三日夜出水ニ付　時郷上村之内字百間川除急破立会目論見場所并本堂前切所砂入川成改反別改絵図面

This is a collection of documents formerly owned by the Hatamoto Takagi family, who were responsible for flood control in The Kiso Three Rivers basin during the Edo period.（Partially Important Cultural Properties.）