User contributions
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- 16:43, 12 April 2020 (diff | hist) . . (+234) . . Timeline (→Historic Indians and Euro-Americans)
- 16:23, 12 April 2020 (diff | hist) . . (+5,024) . . Timeline (→Late Prehistoric)
- 16:12, 12 April 2020 (diff | hist) . . (+9,458) . . Timeline (→Humans)
- 16:04, 12 April 2020 (diff | hist) . . (+914) . . Timeline (→1960s)
- 16:04, 12 April 2020 (diff | hist) . . (-915) . . Timeline (→Books found in the house:)
- 16:03, 12 April 2020 (diff | hist) . . (+8,939) . . Timeline (→Humans)
- 15:43, 12 April 2020 (diff | hist) . . (+206) . . Timeline (→Paleoindian)
- 15:42, 12 April 2020 (diff | hist) . . (+1,469) . . Timeline (→Paleoindian)
- 15:32, 12 April 2020 (diff | hist) . . (+17,366) . . Timeline (→Humans)
- 15:10, 12 April 2020 (diff | hist) . . (+1,030) . . Timeline (→Carboniferous - 359-299 million years ago)
- 15:00, 12 April 2020 (diff | hist) . . (+303) . . Timeline (→Geological History)
- 14:59, 12 April 2020 (diff | hist) . . (0) . . N File:10Cretaceous.jpg (current)
- 14:59, 12 April 2020 (diff | hist) . . (0) . . N File:9JurassicFtDodgeGypsum.jpg (current)
- 14:33, 12 April 2020 (diff | hist) . . (0) . . N File:7Permian.jpg (current)
- 14:32, 12 April 2020 (diff | hist) . . (0) . . N File:5Devonian.jpg (current)
- 14:31, 12 April 2020 (diff | hist) . . (0) . . N File:4Silurian.jpg (current)
- 14:30, 12 April 2020 (diff | hist) . . (0) . . N File:3Ordovician.jpg (current)
- 14:29, 12 April 2020 (diff | hist) . . (0) . . N File:2CambrianFarNEIowa.jpg (current)
- 14:28, 12 April 2020 (diff | hist) . . (0) . . N File:1Precambrian.jpg (current)
- 14:27, 12 April 2020 (diff | hist) . . (+544) . . Timeline (→Geological History)