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MassGIS Data: USGS Topographic Map Quadrangle Template

March 1989

The quadrangle template datalayer contains the boundaries and Massachusetts State Plane Coordinate values of the corners of the 189 1:25,000 USGS 7.5-minute topographic map sheets that cover Massachusetts.

Download these layers
(ESRI Shapefiles with ArcGIS .lyr and ArcView 3x .avl)
MassGIS Data- Quadrangle TemplateThe quadrangle template datalayer contains the boundaries and Massachusetts State Plane Coordinate values of the corners of the 189 1:25,000 USGS 7.5-minute topographic map sheets that cover Massachusetts. This datalayer is of great utility to any project planning to digitize information that has been compiled onto the 1:25,000 quad sheets because it insures that the data will register to the other datalayers in the MassGIS system.

In ArcSDE the polygon layer is named QUADS_POLY and the corner points (tics) layer is named QUADSTICS_PT.

See the Quad Index for a map showing the index using a join to the table QUADS_POLY_DATE, which stores the date of the paper maps used at MassGIS to create the Scanned USGS Quad Images layer.

Production

MassGIS project staff devised a simple numbering system to identify each quadrangle and the corners of all quadrangles. Staff then used NADCON to translate the longitude and latitude of the quadrangle corners into Massachusetts State Plane Coordinate values. These values were put into an INFO database and used to generate an Arc/INFO datalayer. Arcs delineating the quadrangle borders were also generated.

Attributes

The QUADS_POLY polygon attribute table contains the following items:
QUAD_NAME The USGS name for each quadrangle
DOUBLEQUAD The USGS name for each paper double-quad
QUAD_ID The unique identifier for each quadrangle
The QUADSTICS_PT point attribute table contains the following items:
IDTIC Unique tic identifier
XTIC Mass. Stateplane Mainland Meters X coordinate
YTIC Mass. Stateplane Mainland Meters Y coordinate

Editing

MassGIS carefully proofread the state plane coordinates of the quad corners. Many plots were made at 1:25,000 and smaller scales.

Maintenance

MassGIS maintains these layers.

Last Updated 5/31/2007

Items

Contributor
Modified Date
2017-12-29
Release Date
2017-12-29
Identifier
63d2a987-29cf-450c-a891-5122e61d9532
Spatial / Geographical Coverage Location
Massachusetts
License
Author
MassGIS
Contact Name
MassGIS
Contact Email
Public Access Level
Public
Data Quality
False
Content Type
Language
English (United States)