["HISTORY \/ Modern \/ 19th Century","SCIENCE \/ Earth Sciences \/ Geology","SCIENCE \/ History","Geology;History.","GEOLOGY (GENERAL)","Geology;History.","HISTORY \/ Modern \/ 19th Century","History","Non-Fiction","SCIENCE \/ Earth Sciences \/ Geology","SCIENCE \/ History","Scholarly\/Undergraduate","Science\/Math","UNIVERSITY PRESS","United States"]