This project wouldn't be possible without contributions from the railroad community. We would like to thank to following individuals and/or groups for their support:
Olin Anderson
Tom Armstrong
Don Ball
John Barnhill
Andrew Brandon
Dennis Burke
John Christensen
Michael Collins
John Coker
Hart Corbett
Herman Darr
Stephen Drew
Lennart Elg
Gabe Emerson
Curtis Ferrington
David Fletcher
Mark Steven Francis
Jason Franke
John Friend
Daniel Gollery
Bob Grandt
Jerry Kitts
Jeff Livingston
Kim Lebrun
John Hall
Steve Hatch
Randy Hees
Stephanie Bost
Craig Hoefer
Jerry Kitts
Bruce MacGregor
Doug McLeod
Daniel Maxwell
Greg Maxwell
Kim Mitchell
Boone Morrison
Harry Nicholls
Brian Norden
Bruce C. Pryor
Phil Reader
Curtis Reid
Walter Reid
John Rosser
Bruce Sorel
John Swiger
John A. Taubeneck
Jeff Taylor
Jim Wilke
Kyle Wyatt
University of California Berkeley Bancroft Library
University of California Chico Meriam Library
University of Nevada Reno
Society For The Preserveration Of Carter Railroad Resources
California State Railroad Museum
Denver Public Library
Nevada County Historical Society
Nevada State Railroad Museum
Southern Pacific Narrow Gauge Historical Society
Northwestern Pacific Historical Society
Tomales Regional History Center
Western Railway Preservation Society
Virginia and Trucke Railroad Historical Society
John Coker
Railway Engineering
Wiseman Model Services
Rio Grande Models Ltd.