File:CharlesRichter.jpg

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Original file ‎(432 × 682 pixels, file size: 210 KB, MIME type: image/jpeg)

Captions

Captions

Richter magnitude scale

Summary[edit]

Description
English: Charles Richter, 1900-1985. c.1970
Date circa 1970
date QS:P,+1970-00-00T00:00:00Z/9,P1480,Q5727902
Source https://earthquake.usgs.gov/learning/topics/people/int_richter_2.php
Author en:Caltech photograph
Permission
(Reusing this file)		 PD-USGOV.

Licensing[edit]

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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  • 2008-04-06 07:29 Tillman 432×682×8 (248923 bytes) Charles Richter, 1900-1985 [[USGS]] photograph, c.1970 Source: http://earthquake.usgs.gov/learning/topics/people/int_richter_2.php

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Date/TimeThumbnailDimensionsUserComment
current09:51, 17 January 2013Thumbnail for version as of 09:51, 17 January 2013432 × 682 (210 KB)Twinsday (talk | contribs)grayscale, improve contrast
09:50, 11 April 2008Thumbnail for version as of 09:50, 11 April 2008432 × 682 (243 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Charles Richter, 1900-1985 en:USGS photograph, c.1970 Source: http://earthquake.usgs.gov/learning/topics/people/int_richter_2.php}} |Source=Transferred from [http://en.wikipedia.org

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