USGS Historical Coastal Topographic Map
Entry ID: MassGIS_GISDATA.IMG_USGS_HIST_COASTAL

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Summary
Abstract: This layer is a digital raster graphic of the historical 15-minute USGS topographic quadrangle maps of coastal towns in Massachusetts. These quadrangles were mosaicked together to create a single data layer of the coast of Massachusetts and a large portion of the southeastern area of the state. The Massachusetts Office of Coastal Zone Management (CZM) obtained the map images from the Harvard Map ... View entire text

Purpose: One of the most widely used of all maps is the topographic map. The feature that most distinguishes topographic maps from maps of other types is the use of contour lines to portray the shape and elevation of the land. Topographic maps rer the three-dimensional ups and downs of the terrain on a two-dimensional surface. Topographic maps usually portray both natural and manmade features. They show ... View entire text
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Geographic Coverage
Spatial coordinates   
  N: 43.0   S: 41.21   E: -69.71   W: -71.5

Data Set Citation
Dataset Originator/Creator: The Massachusetts Office of Coastal Zone Management (CZM)
Dataset Title: USGS Historical Coastal Topographic Map
Dataset Release Date: 2007-02-01
Data Presentation Form: SDE raster digital data
Online Resource: Server=env-fp-phoenix; Service=esri_sde; User=gisdata; Version=SDE....
Temporal Coverage
Start Date: 1890-01-01
Stop Date: 1900-01-01
ISO Topic Category
Quality ATTRIBUTE ACCURACY REPORT: The DRG is a 24-bit per pixel color image that employs a color palette to ensure uniform colors throughout a particular DRG series. All DRGs within a series must have the same RGB value. Harvard Map Collection, Harvard College Library

COMPLETENESS REPORT: The DRG is a faithfully reproduced digital image of the original source map. Some differences may be detected ... View entire text
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 Environmental Affairs, 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 to use CZM's name ... View entire text
Data Set Progress
COMPLETE
Originating Center
Data Center
Massachusetts Office of Geographic and Environmental Information Supplemental Info
Data Center URL: http://www.mass.gov/mgis/massgis.htm
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: 62 MB
Distribution Format: MrSIDGeneration 2 , 20:1 compression
Fees: See Use Constraints.
Personnel
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
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
Creation and Review Dates
DIF Creation Date: 2008-11-20
Last DIF Revision Date: 2009-03-25
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