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| First Page | Document Content | |
|---|---|---|
 Date: 2014-04-22 10:31:06Society for Sedimentary Geology Sandstone Penrose Medal Archean Geology Francis J. Pettijohn William C. Krumbein |
| First Page | Document Content | |
|---|---|---|
Date: 2014-04-22 10:31:06Society for Sedimentary Geology Sandstone Penrose Medal Archean Geology Francis J. Pettijohn William C. Krumbein |
