silver
silver


Author Comment Last activity Moderation
ronhuber "I think those cheap riffle crickets would be great! Can we set a time and date to meet and test deploy one or more? One assumes the 'seeps' w..." | Read more » over 10 years ago
warren "@donblair - is there a way we could use multiple riffle "crickets" to look at where point sources of heavy metal pollution are? Or some other way w..." | Read more » over 10 years ago