沢田二ノ井水之儀者往古ゟ山田乙坂井水ゟ上ニ而御堰上被成来り候へ共山田井水口川付悪敷被成ニ付近郷之衆中取噯ニ而沢田井を山田井堰下ニ而堰被下候若少ニ而も故障有之候ハヽ先規之通乙坂井上ニ而御堰上可被成為其夫々之一札証文仕沢田村江差遣し置申候事

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.）