Report of the United States Geological Survey of the Territories Volume VI - Contributions to the Fossil Flora of the Western Territories Part 1 - The Cretaceous Flora
First edition, first printing. Good in partly mottled red covers. Wear to the spine, some foxing to textblock. All 30 plates present.
Author Hayden, F.V. & Lesquereux, Leo
Publisher United States Geological Survey of the Territories