"little green leaf," by Melle Music via LAist Featured Photos Pool on Flickr For those who thought oil spills only happened when big tankers in Alaska collided with icebergs, may I point you to the South Bay? Crews were busy Saturday cleaning up about 5,500 gallons of oil that spilled into the wetlands area around Machado Lake. The oil apparently overflowed from an oil-and-water separator at the Cooper & Brain Oil Co. field near PCH......