Kofa National Wildlife Refuge

Palm Canyon, near Kofa or Yuma

Palm Canyon, near Kofa or Yuma

Palm trees in Palm Canyon, near Kofa

Palm trees in Palm Canyon, near Kofa

Contaminants in Bighorn Sheep on the Kofa National Wildlife Refuge, 2000-2001

KOFA Cemetery

Trace Elements in Bats Roosting in Mines at Kofa National Wildlife Refuge, Arizona, 2000-2001

Hope Fire

King Valley Fire