@book{bhlitem26226, title = {Bulletin of the Geological Society of America }, volume = {v.4 (1893)}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/26226}, note = {https://www.biodiversitylibrary.org/bibliography/50989}, publisher = {[New York, The Society], 1890-1960}, author = {Geological Society of America.}, year = {1893}, pages = {512}, keywords = {Geology|Periodicals|}, }