Outer Continental Shelf Official Protraction Diagrams and Lease Maps - Gulf of Mexico Region NAD27-Unclipped
This file is based on the BOEM - Geospatial Services Divisionâs Official Protraction Diagram (OPD) and Leasing Maps (LM). The OPDs and LMs and Supplemental Official Block Diagrams (SOBDs) serve as the legal definition for BOEM offshore boundary coordinates and area descriptions. OPDs are numbered using the United …