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06:52, 26 May 2009 |
![]() | 640 × 411 (4 KB) | Biem | {{Information |Description={{en|1=Day Care Radon concentration survey in North Dakota 1991-1992, showing a Lognormal distribution.}} |Source=http://www.ndhealth.gov/aq/iaq/radon/day9192.htm |Author=Dakota Department of Human Services |Date=1991-1992 |Perm |
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Original file (1,280 × 822 pixels, file size: 38 KB, MIME type: image/gif)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 07:00, 26 May 2009 |
![]() | 1,280 × 822 (38 KB) | Biem | Bigger, enhanced contrast |
06:52, 26 May 2009 |
![]() | 640 × 411 (4 KB) | Biem | {{Information |Description={{en|1=Day Care Radon concentration survey in North Dakota 1991-1992, showing a Lognormal distribution.}} |Source=http://www.ndhealth.gov/aq/iaq/radon/day9192.htm |Author=Dakota Department of Human Services |Date=1991-1992 |Perm |
The following other wikis use this file: