U.S. Geological Survey:
DSC_0002
U.S. Geological Survey:
DSC_0023
U.S. Geological Survey:
DSC_0024
U.S. Geological Survey:
DSC_0026
U.S. Geological Survey:
DSC_0027
U.S. Geological Survey:
DSC_0028
U.S. Geological Survey:
DSC_0030
U.S. Geological Survey:
DSC_0033
U.S. Geological Survey:
DSC_0036
U.S. Geological Survey:
DSC_0043
U.S. Geological Survey:
DSC_0047
U.S. Geological Survey:
DSC_0050
U.S. Geological Survey:
DSC_0058
U.S. Geological Survey:
DSC_0061
U.S. Geological Survey:
DSC_0064
U.S. Geological Survey:
DSC_0068
U.S. Geological Survey:
DSC_0070
U.S. Geological Survey:
_DSC7133
U.S. Geological Survey:
_DSC7135
U.S. Geological Survey:
_DSC7149
U.S. Geological Survey:
_DSC7151
U.S. Geological Survey:
_DSC7154
U.S. Geological Survey:
_DSC7156
U.S. Geological Survey:
_DSC7200
U.S. Geological Survey:
_DSC7202
U.S. Geological Survey:
_DSC7215
U.S. Geological Survey:
_DSC7220
U.S. Geological Survey:
_DSC7224
U.S. Geological Survey:
_DSC7228
U.S. Geological Survey:
_DSC7230
