A timeline of stratigraphic principles; 1950-77
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July 13, 2020
This is the third of three posts that look briefly at the development of stratigraphic
Day: July 13, 2020
A timeline of stratigraphic principles; 19th C-1950
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July 13, 2020
This is the second of three posts that look briefly at the development of stratigraphic
A timeline of stratigraphic principles; 15th-18th C
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July 13, 2020
This and the following two posts look briefly at the development of stratigraphic concepts and
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