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MassGIS Data: State Outlines

March 1991

These polygon and line datalayers are available that represent the outline (boundary) of the Commonwealth of Massachusetts.

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Downloads

Download outline with 100K coastline  Download outline with 25K coastline 

Overview

These polygon and line datalayers are available that represent the outline (boundary) of the Commonwealth of Massachusetts:

  • OUTLINE_POLY and OUTLINE_ARC - contains the state outline with a 1:100,000 coastline
  • OUTLINE25K_POLY and  OUTLINE25K_ARC- contains the state outline with a 1:25,000 coastline

Production

For the both layers, MassGIS digitized 1:25,000 linework from U.S. Geological Survey mylar map sheets for land boundaries. For the OUTLINE layer, a 1:100,000 coastline was extracted from USGS Digital Line Graphs. For OUTLINE25K, the coastline from the 1:25,000 Hydrography layer was used. All processing was done in ARC/INFO.

Attributes

The OUTLINE_POLY and OUTLINE25K_POLY attribute tables contains this item:

AREA_ACRESPolygon area in acres

The OUTLINE_ARC attribute table contains this item:

SYMBOL1 = Inland boundary
4 = Coastline (100k)

The OUTLINE25K_ARC attribute table contains these items:

COASTY = Coastline (25k)
N = Inland boundary
SYMBOL0 = Coastline (25k)
5 = Inland boundary

Maintenance

MassGIS is maintaining these layers.

Date published: April 1, 1991
Last updated: April 1, 1991

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