The Union Pacific Common Standard Drawings Vol.4 Paperback Book by James L. Ehernberger is a textbook focused on model railroads and trains. Written in English and available in paperback format, this book provides detailed information and drawings for model railroading enthusiasts. With a specific focus on Union Pacific common standard drawings, this book serves as a valuable resource for those looking to enhance their model railroads with accuracy and authenticity. This is an estate find. I am not an expert. Please ask questions. Please check out our other items.