Massachusetts Bay Closure Lines
Entry ID: CZM_moris_bay_closure_lines_arc

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Summary
Abstract: These GIS data show the 'Bay Closure Lines' that constitute a part of the legal boundary between Commonwealth and Federal waters. These lines extend seaward of the typical three nautical mile boundary and were set by a Special Master appointed by the Supreme Court of the United States as part of UNITED STATES v. MAINE, 475 U.S. 89 (1986). These GIS lines are created from the bay closure line coordinates set forth by the Special Master.

Purpose: These data were developed to show the 'Bay Closure Lines' that constitute a part of the legal boundary between Commonwealth and Federal waters.

SUPPLEMENTAL INFORMATION: For purposes of said Decree of October 6, 1975, the coastline of Massachusetts includes the following straight lines: (a) A line from a point on Gay Head on Martha's Vineyard (approximately 41ø 21'10"N, 70ø 50'07"W) to the ... View entire text
Related URL

Description: View Original Metadata document from the CZM website.
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: 42.6   S: 41.35   E: -69.99   W: -71.04

Data Set Citation
Dataset Originator/Creator: The Massachusetts Office of Coastal Zone Management (CZM)
Dataset Title: Massachusetts Bay Closure Lines
Dataset Release Date: 2008
Data Presentation Form: vector digital data
Online Resource: N/A
Data Resolution
ISO Topic Category
Quality ATTRIBUTE ACCURACY REPORT: All points were cross referenced to the Special Master's report.

LOGICAL CONSISTENCY REPORT: All points were visually examined to ensure that they fall on the location called out in the Special Mater's report.

COMPLETENESS REPORT: All points (and subsequent connecting 'closure' line) in the Special Master's report are present in these data.

HORIZONTAL POSITIONAL ACCURACY REPORT: All coordinate pairs given in the Special Master's report are reported as latitude / longitude in degrees, minutes, and seconds. For example, one coordinate pair is given as 41ø 27'30"N, 70ø 33'18"W.

VERTICAL POSITIONAL ACCURACY REPORT: N/A
Access Constraints ACCESS CONSTRAINTS: None. These data are in the public domain. GIS files are freely available for download.

DISTRIBUTION LIABILITY: Although every effort has been made to ensure the accuracy of these data, errors and conditions originating from physical sources used to develop these data may be reflected in the data supplied. The client must be aware of data conditions and bear responsibility for ... View entire text
Use Constraints USE CONSTRAINTS: Public domain data from the Massachusetts Office of Coastal Zone Management (CZM), an agency of the Commonwealth of Massachusetts Executive Office of Energy and Environmental Affairs (EOEEA), are freely redistributable with proper metadata and source attribution. Please recognize the Massachusetts Office of Coastal Zone Management as the source of these data. You are not permitted ... View entire text
Data Set Progress
COMPLETE
Originating Center
Data Center
Massachusetts Office of Coastal Zone Management Supplemental Info
Data Center URL: http://www.mass.gov/czm/
Dataset ID: Downloadable Data

Data Center Personnel
Name: CZM DATA MANAGER
Phone: 617-626-1200
Fax: 617-626-1240
Email: czm at state.ma.us
Contact Address:
251 Causeway Street, Suite 800
City: Boston
Province or State: MA
Postal Code: 02114-2136
Country: USA
Distribution
Distribution Size: 0.001
Fees: See Use Constraints.
Personnel
Role: TECHNICAL CONTACT
Phone: 617-626-1200
Fax: 617-626-1240
Email: czm at state.ma.us
Contact Address:
251 Causeway Street, Suite 800
City: Boston
Province or State: MA
Postal Code: 02114-2136
Country: USA
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Creation and Review Dates
DIF Creation Date: 2008-10-31
Last DIF Revision Date: 2009-01-22

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