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Harold Porter Gardens
Earth Timeline
4600Mya
4500Mya
4200Mya
3800Mya
3570Mya
2900Mya
2600Mya
2500Mya
2050Mya
2060Mya
2020Mya
1200Mya P
1200Mya C
720Mya
635Mya
600Mya
550Mya
540Mya Expansion
540Mya
510Mya
500Mya
470Mya
450Mya
440Mya
416Mya
400Mya
315Mya
310Mya
252Mya
200Mya
170Mya
140Mya
90Mya
66Mya
65Mya
34Mya
4.5Mya
3.5Mya
1.6Mya
335Kya
200Kya
15Kya
Rock Garden
Stratigraphic Column
Local Geological Map
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References
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