Jackson Township is the northeastern most township in Jewell County. Nebraska borders it on the north and Republic County's Big Bend Township borders it on the east.

Sections one, two and three of the township are cut off from the rest of Jewell County by a bend in the Republican River. But somewhere in that small area there existed the Big Bend Post Office. The post office was in existence from June 21, 1871 to March of 1875.

Big Bend is noted on two historical maps. On the 1878 map of Jewell County (found in the First Biennial Report of the State of Kansas), Big Bend is found near the Kansas...