So. Many. Mines. I must admit to not really understanding what I was getting myself into when I started looking into a trip to the Virginia Dale-Pinto Basin Mining District, just east of Joshua Tree National Park. I mean sure, I knew there were a handful - or two - or maybe three - of mines, but nothing really prepared me for the sheer number of sites until we were driving around on the roads. Hundreds - perhaps even thousands - of tailings piles dotted the landscape. In three days, joined (or was it led?) by Mike @mk5, we'd hop…