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U.S. Geological Survey Data Series 99, Version 1.0

A GIS Library of Multibeam Data for Massachusetts Bay and the Stellwagen Bank National Marine Sanctuary, Offshore of Boston, Massachusetts, USGS DS 99; Version 1.0


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Western Massachusetts Bay Quadrangle 1

This library contains GIS layers covering western Massachusetts Bay Quadrangles 1-3 and for Massachusetts Bay. The table below contains a short descriptive name of the GIS layers associated with western Massachusetts Bay Quadrangle 1, the file name of the layer, and the type of GIS file (shapefile, image, or grid). Note that the descriptive name is a shorter version of the full name found in the metadata. Click on View Metadata to view a description of the data or on the thumbnail under Download Zipped File to obtain a zipped file of the data.

To view these layers using ArcMap, open the usgs_multi_mbay.mxd file in the massbay_gis directory using ArcMap 9.1 and select the Western Mass Bay Quads 1-3 data frame.

Figure 2.  Western Massachusetts Bay Quadrangle 1.
Figure 2. Western Massachusetts Bay Quadrangle 1.

Layer Description

File Name
File Type

Metadata
Download
Zipped
File
Boundary of Quad1 in Western Mass Bay

quad1bnd.shp
Shapefile - polygon


View Metadata
Shapefile - polygon, quad1bnd.shp
Quad1 bathymetric contours (5m interval)

q1_5mctr.shp
Shapefile – polyline


View Metadata
Image q1_5mctr.jpg.
Quad1 bathymetric contours (1m interval)

q1_1mctr.shp
Shapefile – polyline


View Metadata
Image q1_1mctr.jpg.
Quad1 sun-illuminated bathymetry

q1_srelief.tif
Tiff image – 6 m pixel size

View Metadata
Image q1_srelief.jpg.
Quad1 backscatter intensity (grayscale)

q1_backgs.tif
Tiff image – 6 m pixel size


View Metadata
Image q1_backgs.jpg.
Quad1 Pseudocolored backscatter intensity

q1_backpc.tif
Tiff image – 6 m pixel size


View Metadata
Image q1_backpc.jpg.
Quad1 bathymetry (6m grid)

q1_bathy6m
ESRI Grid – 6 m resolution

View Metadata
Image q1_bathy6m.jpg.

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Return to GIS Page. Go on to Quad 2 Page.

Any use of trade names is for descriptive purposes only and does not imply endorsement by the U.S. Government.


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This page last modified on Monday, 24-Nov-2014 11:40:33 EST