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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Tight crop to show observatory name. The original can be viewed here: Sign for Cascades Volcano Observatory on Open day 2005 (USGS).jpg: . Modifications made by Carcharoth (Commons).

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Original upload log

This image is a derivative work of the following images:

• File:Sign_for_Cascades_Volcano_Observatory_on_Open_day_2005_(USGS).jpg licensed with PD-USGov-USGS
  • 2010-04-11T04:15:44Z Carcharoth (Commons) 1200x900 (1208291 Bytes) {{Information |Description=Sign for Cascades Volcano Observatory (Vancouver, Washington State, USA) on Open day 2005. |Source=[http://vulcan.wr.usgs.gov/Volcanoes/MSH/OpenHouse2005/Images/index.html CVO Open House, May 21, 20

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