Dig It! The Big Picture

American Association for the Advancement of Science,
Edward Lempinen
Peter Arnold, Inc.
Diana Haeker, The Nome Nugget
Olafur Ingolfsson
John Kelly
Dennis Kunkel, Inc.
Manu San Felix
NASA Visible Earth
NSF Polar Program
U.S. Forest Service, Pacific Northwest Research Station
Photolibrary Group
SeaPics.com
Shutterstock
Syngenta
University of Alaska Museum of the North
USDA Natural Resources Conservation Service

Design and production by Boston Productions, Inc.