This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
Summary
DescriptionNRHP Massachusetts Map.svg
English: Map of Massachusetts National Register of Historic Places listings density by county, measured in listings per 100 sq. mi. Data is current as of 09/06/2012.
This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 0.
Date
between 2009 and 2012
date QS:P,+2050-00-00T00:00:00Z/7,P1319,+2009-00-00T00:00:00Z/9,P1326,+2012-00-00T00:00:00Z/9
Source
Own work
Author
25or6to4, User:Magicpiano
Density calculation
The density calculation is based on the total area (land+water) of each county, using the following values (square miles):
Barnstable 1306
Berkshire 946
Bristol 691
Dukes 490
Essex 829
Franklin 724
Hampden 634
Hampshire 545
Middlesex 847
Nantucket 105
Norfolk 444
Plymouth 1093
Suffolk 120
Worcester 1579
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
You may select the license of your choice.
Captions
Add a one-line explanation of what this file represents
Click on a date/time to view the file as it appeared at that time.
Date/Time
Thumbnail
Dimensions
User
Comment
current
06:55, 11 April 2022
990 × 765 (2.46 MB)
25or6to4
Updated through March 2022
09:39, 23 March 2019
990 × 765 (1.47 MB)
25or6to4
Updated through March 1, 2019.
17:56, 15 September 2014
792 × 612 (584 KB)
25or6to4
Updated through September 2014
17:05, 6 September 2012
792 × 612 (269 KB)
Magicpiano
Add county names.
16:57, 6 September 2012
792 × 612 (260 KB)
Magicpiano
Updated counts as of September 6, 2012.
17:07, 10 May 2012
792 × 612 (260 KB)
Magicpiano
Updated counts (no changes in density color).
10:34, 20 December 2009
792 × 612 (275 KB)
25or6to4
{{Information |Description={{en|1=Map of Massachusetts NRHP/100 sq. mi., by county. As of 12/11/09}} |Source={{own}} |Author=25or6to4 |Date= |Permission= |other_versions= }} Category:Maps of Massachusetts [[Category:National Regist
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):