U.S. Geological Survey:
DSC_0009
U.S. Geological Survey:
DSC_0019
U.S. Geological Survey:
DSC_0032
U.S. Geological Survey:
DSC_0045
U.S. Geological Survey:
DSC_0047
U.S. Geological Survey:
DSC_0068
U.S. Geological Survey:
DSC_0077
U.S. Geological Survey:
DSC_0080
U.S. Geological Survey:
DSC_0093
U.S. Geological Survey:
DSC_0095
U.S. Geological Survey:
DSC_0100
U.S. Geological Survey:
DSC_0115
U.S. Geological Survey:
DSC_0117
U.S. Geological Survey:
DSC_0143
U.S. Geological Survey:
DSC_0145
U.S. Geological Survey:
DSC_0148
U.S. Geological Survey:
_DSC7938
U.S. Geological Survey:
_DSC7939
U.S. Geological Survey:
_DSC7945
U.S. Geological Survey:
_DSC7948
U.S. Geological Survey:
_DSC7954
U.S. Geological Survey:
_DSC7951
U.S. Geological Survey:
_DSC7959
U.S. Geological Survey:
_DSC7964
U.S. Geological Survey:
_DSC7967
U.S. Geological Survey:
_DSC7977
U.S. Geological Survey:
_DSC7983
U.S. Geological Survey:
_DSC7995
U.S. Geological Survey:
_DSC7997
U.S. Geological Survey:
_DSC7999
