Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of the slide collection of Jack Harper.
Image courtesy of Jeffrey Borger.
Image courtesy of Larry Kuhns.
Image courtesy of Larry Kuhns.
Image courtesy of Jeffrey Borger.
Purslane in flower. Image courtesy of Matthew Naedel.
Flower. Image courtesy of Matthew Naedel.