John Gill Commentary Nehemiah 3:13

"The valley gate repaired Hanun, and the inhabitants of Zanoah; they built it, and set up the doors thereof, the bolts thereof, and the bars thereof, and a thousand cubits of the wall unto the dung gate." — Nehemiah 3:13 (ASV)

The valley gate repaired Hanun
Of which see (Nehemiah 2:13) ,

and the inhabitants of Zanoah ;
a city in the tribe of Judah, (Joshua 15:34) ,

they built it, and set up the doors thereof
see (Nehemiah 3:3) ,

and a thousand cubits on the wall to the dung gate ;
that is, they repaired the wall to such a length from the valley gate to the dung gate; see (Nehemiah 2:13) .