Description
Item Description:"Supplement to National Geographic, October, 2010."
"Printed August 2010."
Depth shown by shading, bathymetric tints, and isolines.
Includes text, diagram (offshore oil well depths), 2 charts (federal leases by depth, Gulf economy), cross section and ill. of ecosystem zones.
Ancillary maps: "Loop current" and "Seafloor environments."
Cartographic material.
Physical Description:1 map : both sides, color illustrations ; 51 x 79 cm., folded to 13 x 20 cm.