To demand of the trustees of schools or regional board of school trustees having custody of maps and records of school districts as organized certified copies of the same. In case of discrepancies or defects in defining the boundaries of school districts the county superintendent, or in case of a district lying in two or more counties, the county superintendents of such counties acting jointly, may define such boundaries in conformity with what appears to have been the intention of the trustees of schools when such boundaries were established.