Washington, DC: Smithsonian Institution, 1924. Third printing. Hardcover. Item #17280
The book is divided into three parts: Part 1, Pennsylvania's Natural Resources (Coal, Peat, Coke, Oil, Gas, Electric Power, Water, Forests, Iron, Glass, etc.); Part 2, Pennsylvania's Agricultural and Human Resources; Part 3, Transporation as a Factor in Resource Development (Waterways, Steam Railroads, Electric Railroads, Gasoline). 182 pages with photographs, charts, tables, maps, and index. Oblong, 12.5" x 9.25". Bound in original textured green cloth over limp boards. Title page professionally re-attached but has tiny chip and several tiny tears. Owner's name on front endpaper. A very good copy.