:Since it is a US government site, all the material on USGS is public domain, so it is unnecessary to cite USGS as the source, but, at your request, I will cite my sources in the future. ~ <font color="Turquoise">[[User:SharonS|Sharon]]<sup>[[User talk:SharonS|Talk]]</sup></font> 16:39, 19 June 2007 (EDT) | :Since it is a US government site, all the material on USGS is public domain, so it is unnecessary to cite USGS as the source, but, at your request, I will cite my sources in the future. ~ <font color="Turquoise">[[User:SharonS|Sharon]]<sup>[[User talk:SharonS|Talk]]</sup></font> 16:39, 19 June 2007 (EDT) |