TY - HOUR CN - QE1 CN - QE1 CY - [New York : DA - 1890-1960. ID - 342199 KW - Geology N1 - Title from caption. PB - Geological Society of America], PP - [New York : PY - 1890-1960. SN - 1050-9747 T1 - Bulletin of the Geological Society of America. TI - Bulletin of the Geological Society of America. ER -