Atlantic NAD 83 SLA Baseline Tangents

Description

This data set contains baseline tangent lines in ArcGIS shapefile format for the BOEM Atlantic Region. Baseline tangent lines are typically bay or river closing lines used by the BOEM to calculate the Submerged Lands Act (SLA) boundary, the Limit of '8(g) Zone', and other offshore boundary lines. These tangent lines would project staight line segments in any projected line, while baseline points would project circular arc segments to the projected boundary. A second file containing baseline points is also available. Additional details are available from: http://www.boemre.gov/itd/pubs/1999/99-0006.pdf Because GIS projection and topology functions can change or generalize coordinates, these GIS files are considered to be approximate and are NOT an OFFICIAL record for the exact baseline coordinates. The Official Protraction Diagrams (OPDs) and Supplemental Official Block Diagrams (SOBDs) serve as the legal definition for BOEM offshore boundary coordinates and area descriptions.

General Information

• This data is described at

  http://catalog.data.gov/dataset/atlantic-nad-83-sla-baseline-tangents Do you think this data is incorrect? Let us know

• This data is published by

  Bureau of Ocean Energy Management, Department of the Interior Do you think this data is incorrect? Let us know

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• There are

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• This data contains

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  http://catalog.data.gov/organization/boem-gov Do you think this data is incorrect? Let us know

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  http://catalog.data.gov/api/rest/package/atlantic-nad-83-sla-baseline-tangents Do you think this data is incorrect? Let us know

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