51 | #68 Chumstick Sandstone 2021-06-18 |
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52 | #67 Sedimentary Siletzia 2021-06-16 |
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53 | #66 Brian Atwater in the Grand Coulee 2021-05-24 |
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54 | #65 Long-Lived Yellowstone Hot Spot 2021-05-04 |
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55 | #64 Picture Gorge Basalts 2021-04-25 |
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56 | #63 Near Trench Magmatism 2021-02-24 |
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57 | #62 Siletzia & Yakutat 2021-02-17 |
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58 | #61 Plutons on the Move 2021-02-15 |
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59 | #60 Plutons are Forever 2021-02-10 |
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60 | #59 Nanaimo Sandstone 2021-01-31 |
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