Elso Sterrenberg Barghoorn

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1	N AT I O N A L A C A D E M Y O F S C I E N C E S ELSO STERRENBERG BARGHOORN JR. Add to Reading List Source URL: www.nasonline.org Language: English - Date: 2011-10-28 10:27:40 Evolutionary biology Paleontology Fossils Sedimentary rocks Petrology Gunflint Chert Elso Sterrenberg Barghoorn Paleobiology Chert Geology Historical geology Biology
2	N AT I O N A L A C A D E M Y O F S C I E N C E S ELSO STERRENBERG BARGHOORN JR. Add to Reading List Source URL: www.nap.edu Language: English - Date: 2005-09-28 06:27:03 Evolutionary biology Paleontology Fossils Sedimentary rocks Petrology Gunflint Chert Elso Sterrenberg Barghoorn Paleobiology Chert Geology Historical geology Biology