▁still ▁in ▁use ▁during ▁the ▁ 1 9 3 0 s — its ▁use ▁conf ined ▁to ▁smaller ▁vessels ▁including ▁‘ si xty - m ilers ' ▁— but ▁by ▁ 1 9 3 9 ▁it ▁was ▁out ▁of ▁use ▁and ▁due ▁to ▁be ▁demol ished . ▁That ▁left ▁the ▁No . 1 ▁Jet ty ▁as ▁the ▁sole ▁coal ▁wh arf ▁at ▁Port ▁K emb la . ▁By ▁ 1 9 3 7 , ▁the ▁No . 1 ▁Jet ty ▁was ▁loading ▁coal ▁from ▁all ▁the ▁southern ▁mines ▁that ▁sh ipped ▁coal ▁by ▁sea , ▁except ▁those ▁mines ▁still ▁using ▁Bell amb i ▁or ▁Bul li . ▁After ▁ 1 9 5 2 , ▁Port ▁K emb la ▁was ▁the ▁only ▁coal ▁port ▁on ▁the ▁southern ▁coal fields . ▁ ▁The ▁No . 1 ▁Jet ty ▁remained ▁in ▁service ▁until ▁it ▁was ▁replaced ▁in ▁ 1 9 6 3 , ▁by ▁a ▁new ▁export ▁coal ▁loader ▁located ▁on ▁the ▁new ▁' Inner ▁Har bour '. ▁Port ▁K emb la ▁remains ▁a ▁major ▁coal ▁export ▁port ▁but ▁no ▁coal ▁is ▁now ▁loaded ▁in ▁the ▁Out er ▁Har bour . ▁ ▁No . 4 ▁Low - Level ▁Wh arf ▁ ▁This ▁wh arf ▁was ▁originally ▁built ▁to ▁service ▁the ▁Elect ro ly t ic ▁Ref ining ▁& ▁Sm el ting ▁Co . ▁and ▁Metal ▁Man ufact ur ers ▁in ▁ 1 9 0 8 . ▁It ▁was ▁the ▁first ▁wh arf ▁to ▁be ▁constructed ▁at ▁Port ▁K emb la ▁after ▁the ▁port ▁was ▁taken ▁over