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MassGIS Data: Aqueducts

July 1998

The Aqueducts layer contains linework representing water-transporting conduits from 1:100,000 U.S. Geological Survey Digital Line Graph (DLG) files, with additional linework added by the Massachusetts Water Resources Authority.

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Overview

aqueduct sample

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The Aqueducts layer contains linework representing water-transporting conduits from 1:100,000 U.S. Geological Survey Digital Line Graph (DLG) files, with additional linework added by the Massachusetts Water Resources Authority. In ArcSDE the layer is named AQUEDUCTS_ARC. Annotation for MWRA aqueducts is stored as AQUEDUCTS_ANNO_DESC.

Production

USGS DLG files were converted to ArcInfo coverage format. MWRA staff digitized additional aqueduct linework and created annotation.

Attributes

This datalayer's arc attribute table has the following fields:

Field nameDescription
PIPETRANSMISSION = MWRA PIPE
X = Non-MWRA pipe
TYPEG = Above-ground pipe
P = Below-ground pipe
X = Non-MWRA pipe
NAMEName of pipe

Maintenance

MassGIS maintains this layer. No updates are planned.

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