A Closer Look at the Gulf of Mexico Oil Spill

June 7:  APTN photographer Rich Matthews takes a closer look at oil from the Deepwater Horizon spill, in the Gulf of Mexico south of Venice, La..

June 7, 2010: Patches of oil from the Deepwater Horizon spill are seen from an underwater vantage, in the Gulf of Mexico south of Venice, La..  (AP)

June 7, 2010: Photographer Rich Matthews takes a closer look at oil from the Deepwater Horizon spill, in the Gulf of Mexico south of Venice, La..  (AP)

June 7: Patches of oil from the Deepwater Horizon spill are seen from an underwater vantage in the Gulf of Mexico south of Venice, La.. (AP)

June 7: Patches of oil from the Deepwater Horizon spill are seen from an underwater vantage, in the Gulf of Mexico south of Venice, La..  (AP)

In this Monday, June 7, 2010 photo, patches of oil from the Deepwater Horizon spill are seen from an underwater vantage, Monday, June 7, 2010, in the Gulf of Mexico south of Venice, La.. (AP Photo/Rich Matthews) (AP)