©
Daniel O. Cosper: State Museum of Pennsylvania 10 April 2011
©
Daniel O. Cosper: State Museum of Pennsylvania 10 April 2011
©
Daniel O. Cosper: State Museum of Pennsylvania 10 April 2011
©
Daniel O. Cosper: State Museum of Pennsylvania 10 April 2011
©
Daniel O. Cosper: State Museum of Pennsylvania 10 April 2011
©
Daniel O. Cosper: State Museum of Pennsylvania 10 April 2011