Dunes team

The staff at the Humboldt Bay National Wildlife Refuge has been studying coastal dunes in the northwest portion of California for more than 30 years. Walking along the dunes: From left to right, Lynn Roberts, fish and wildlife biologist for the Arcata Fish and Wildlife Office; Eric Nelson, Humboldt Bay National Wildlife refuge manager; and Andrea Pickart, ecologist. Credit: John Heil/USFWS