Robert Harding

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860-290259 - BLUE DRAGON (Glaucus atlanticus). A small peacic slug that measures only about 2 cm and is generally associated with the Portuguese frigatebird (Physalia physalis) or the blue button (Porpita porpita) on which it feeds. They can also appear in intertidal pools. Marine invertebrates of the Canary Islands, Tenerife.
857-13851 - Plutonium button Plutonium metal button at Rocky Flats, CO. It consists on 98 percent plutonium and the rest other metals. Terri Coleman is the process specialist who is holding the button and using a brush to clean off oxide.