Here are (4) Great Northern Reference Sheets from the Great Northern Historical Society. Reference Sheets include: 167 (June 1990) Great Northern 25 Foot Wood Cabooses Heralds And Lettering, 168 (September 1990) Great Northern Caboose Cars 30' Caboose Car Nos X-198 X-200 To X-228 X-230 To X-249, 169 (September 1990) Self Propelled Coal Loading Conveyors, 170 (September 1990) Great Northern Steam Locomotives Class H-5. Used and in good condition. We combine shipping on multiple items.