{"source":"book","style":"apa","contributors": [{"function":"author","last":"Richardson","first":"Charles","middle":"Henry,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Economic geology,","publisher":"McGraw-Hill Book Company, inc.","city":"New York [etc.","year":"1913"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"4046308"}