Post by Becky Lomax
I could be wrong but I think gneiss makes up most of the rock where glacial activity picks up the bits of sediment that get ground into a fine flour and washed into Diablo.
By Becky Lomax
I could be wrong but I think gneiss makes up most of the rock where glacial activity picks up the bits of sediment that get ground into a fine flour and washed into Diablo.
By Becky Lomax