Refinery of the dry land

this ones a great ocean now dry as a desert.refinery establish to gather fuel etc. for massive machinery a
entry for CGMA [link]
Mech World Contest
Over ninety percent of the human race has been wiped out. Most animal species have gone extinct, while others have mutated into monstrous beast of a kind not seen since the age of dinosaurs. This post-apocalyptic age is the stuff of nightmares. A world most unlike the one we know and cherish today. It is in this place - a nightmarishly hellish world devoid of a breathable atmosphere for humans, and overrun by creatures of gargantuan proportions - that humankind must rebuild itself.