DavidB4-bot
clean up & uniformity
15:53
-2
DanAP
no edit summary
05:40
+49
EddyJ
15:39
+133
GregG
wl
04:47
+39
JaneX
fixed ref list
21:51
+29
Inverness
19:08
+8
20:25
+106
JY23
cat
21:11
+20
→Use
17:47
Created page with 'The Mega year ago, often abbreviated as Ma of Mya <ref>http://geomaps.wr.usgs.gov/socal/geology/geologic_history/images/geologic_time_scale.jpg</ref>, is a useful shorthand notat...'
17:35
+463