Historical Geology, by Carl O. Dunbar, John Wiley & Sons, Inc., New York, 1960. Good general treatment of what the rocks can and do tell geologists about the history of the Earth.

Handbook of Paleontology for Beginners and Amateurs, Part 1, The Fossils, by Winifred Goldring, New York State Museum Handbook 9 (obtainable from: Paleontological Research Institution, 190 Dearborn Place, Ithaca, N. Y.).

Fossils, An Introduction to Prehistoric Life, by W. H. Matthews III, 1962, Barnes and Noble, Inc., New York. Earth history and paleontology, a general guide for the amateur collector.

Bedrock Geology of the Central Champlain Valley of Vermont, by Charles W. Welby, 1961. Vermont Geological Survey Bulletin 14. Standard work for the geology in the region of Button Bay State Park.

Paleontology of the Champlain Basin in Vermont, by C. W. Welby, Vermont Geology Series, Vermont Geological Survey. A treatise on the paleontology of the Champlain Basin designed for the amateur. In press.

Index Fossils of North America, by H. W. Shimer and R. R. Shrock, 1944, John Wiley & Sons, Inc., New York. Contains many plates depicting several of the fossils found in and adjacent to Button Bay State Park.