"The Mineral Belt by David S. Digerness Volume 2 Signed" is a collectible book published in 1978 that delves into the world of railroadiana and trains. This volume specifically focuses on the transportation aspect of the mineral belt, providing readers with a detailed account of its history and significance. With the added value of being signed by the author, this book is a must-have for collectors and enthusiasts interested in transportation and railroad history. It serves as a valuable addition to any collection, offering a unique perspective on the mineral belt and its impact on transportation systems.