Alaska NAD 83 Supplemental Official Protraction Diagram (OPD) Images
This data set contains Supplemental Official OCS Block Diagram (SOBD) images in Adobe pdf format for areas within the BOEM Alaska Region. Each SOBD describes a single block within an Official Protraction Diagram (OPD) and shows the lines (Submerged Lands Act, Limit of '8(g) Zone', maritime boundaries and/or marine …