Yellowstone National Park
eTrip Production Staff
Janet Ambrose, editor
Tom Cawley, web technician
Tasha Felton, reviewer
Craig Johnson, web technician
Michelle Olsen, script writer
Doug Smith, reviewer
Rebecca Ussery, project coordinator and lesson plan writer

Photography
Grant-Kohrs Ranch National Historic Site, photographs on pages 17-24;
Mike Haring, photographer and copyright holder for photographs on page 10;
Jim Harris, photographer and copyright holder for photographs on pages 8, 9,
11, 12, 13, wildflowers on page 25, photo of La Duke Spring on page 26;
Library of Congress, photograph of George Washington on page 33;
Smithsonian National Museum of the American Indian, for photograph of bowl
on page 33; Wolf Trust of the United Kingdom for photograph of wolf hunt wood carving on page 33; Yellowstone National Park, various photographs by Jim Peaco, Craig Johnson, Michelle Olsen and Rebecca Ussery.

Contracted Services
MJ Arts
Marty Jones, Graphic Artist and Illustrator

Peak Recording and Sound Studios
Joel Jahnke, character voice for Grandpa
Adam Hoberecht, character voice for Grady
Sarah Sampedro, character voice for Aspen
Deb Stober, casting director and assistant producer
Gil Stober, engineer and producer
Dee Dee Van Zyl, character voice for Grandma
Robert Worobec, character voice for Narrator

Audio
Nature sounds and wolf howls are excerpts from the CD Yellowstone Soundscapes, Through the Seasons © 2004 Trailwood Landis, used with permission.

Illustrations
Miacid illustration, © Jim Melli, San Diego Natural History Museum, used with permission.

Special Thanks
Park Ranger Michael Leach, writer/presenter, The Wolves of Yellowstone:
A Ranger Talk, NPS Video, 2004;

Gallatin Valley Airport for permission to use facility for taking photographs;

International Wolf Center for permission to use resource materials written by
Dr. L. David Mech;

Montana City Schools for participation in field-based research
John McGee, superintendent;

Students Aspen and Grady;

Montana School Students
John and Nichole for participation in field-based research;

Richard E. Flauto Wildlife Foundation for permission to use wolf pup resource
materials.