By mid-September the Japanese had dug over eight kilometers ( 5 miles ) of trenches .
Were within 70 meters ( 230 feet ) of the Waterworks Redoubt , which Japanese attacked and captured on September 19 , 1904 .
By mid-September the Japanese had dug over eight kilometers ( 5 miles ) of trenches and were within 70 meters ( 230 feet ) of the Waterworks Redoubt , which they attacked and captured on September 19 , 1904 .