Outer Continental Shelf Lease Blocks
Data Specifications
- Area of Coverage: U.S. waters
- Date(s) Available: Update frequency varies
- Format: ESRI Shapefile, ASCII, E00, DXF
- Resolution: Dependent on the official protraction diagram by the U.S. Department of the Interior's Bureau of Ocean Energy Management (BOEM). Generally, the spatial extent is bounded and limited by the state seaward boundary, Exclusive Economic Zone limit, and international maritime boundaries.
- Accuracy: Varies depending on original source data
Overview
In accordance with the Code of Federal Regulations, Outer Continental Shelf (OCS) lease blocks and administrative boundaries are generated to define small geographic areas that identify federal land ownership and support offshore resource management.