"I have not failed. I've just found 10000 ways that won't work." - Edison

Meaning that while the weather has been, to say the least, adversarial, the day will be spent off digging a few more holes. I need to take bigger samples, process more dirt, even if they're there I won't find them in the first few buckets, I'll have to commit to moving a few meters of dirt a day, and every place I look is another star on the map, it's the process of elimination, I don't need to find them, just find where they're not... 

Smart Search