The following individuals have provided information and or photos to this site. Their assistance in making this site more informative to its visitors is greatly appreciated.
- Provided access to the Northwest Railway Museum storage yard for photos and measurements of their Mallets.
- Contributed information and corrections for US Plywood #11, Weyerhaeuser #6, Weyerhaeuser #108, Rayonier #8, and Deep River #7.
- Contributed a photo of Rayonier #8 at Sekiu, and several photos of Glenbrook Vintage Railway #4.
- Contributed additional information for Little River #126 and #148.
- Contributed several photographs of Insular Lumber Co. #7 on display.
- Contributed three recent photos of Southwest Lumber Mills #12 on display at Flagstaff, AZ.
- Contributed data for Taupo Totara #7.
- Contributed photos from his extensive collection for the following:
Arcata & Mad River #12, Booth-Kelly #2, Booth-Kelly #6, Caspar #5, Caspar #7, Clemons #7, Clemons #8, Clover Valley #4, Crown Willamette #12, Deep River #7, Mud Bay #8, Simpson #13, and White River #7. Kosmos #11 and #12. Long-Bell #1000 and #1001. Rayonier #38, #14, #8, #9, #120. St. Paul & Tacoma #7 and #10. Sumpter Valley #250 and #251. Weyerhaeuser #106, 107, #108, #110(Vail), #110(Longview), #111(Vail), #111(Longview), #112, #114, #200, #201, and #5.
- Contributed additional information for Long-Bell #1001
- Contributed information on Clover Valley #4, and a photo of the Custom Brass O-scale 2-4-4-2.
- Contributed a photo of Long-Bell #1001 at Tennant, CA.
- Contributed a photo of NWSL Weyerhaeuser #108 model.
- Contributed a scan of Baldwin's Biles-Coleman Mallet proposal.
- Contributed two photos of Taupo Totara Timber Co. #7 on display.
- Contributed information on the Baldwin 0-6-6-0s for the Archangel Railway (Russia) and other export Mallets.
- Contributed information on many of the logging Mallets.
- Contributed several photos for Rayonier #111, US Plywood #11, and Weyerhaeuser #6.
- Contributed photos for Little River #148 and #126, and a photo of the Oriental Models HO scale 2-4-4-2.
- Contributed two post-restoration photographs of #110
- Contributed a photo of California Western #46 on display at Campo.
- Contributed information on Weyerhaeuser #110
- Contributed data from Baldwin records for the factory paint schemes for several of the logging Mallets.
- Contributed photos from his extensive collection for the following:
Crown Willamette #16, Deep River #7, Long-Bell #1000, Polson #3100, Rayonier #110, 111, #38, #120, #8, #9, #14, and United States Plywood #11.
- Contributed information and three photos of Clover Valley #4.