Organization Unit Statistics: CHRONOS, Iowa State University, Department of Geological & Atmospheric Sciences, 275 Science I, Ames, Iowa 50011-3212, USA

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Geo Map
Region #
NA - North America 6
AS - Asia, other 4
EU - Europe 1
Total 11
Country #
CN - China 4
US - United States of America 4
PR - Puerto Rico 2
IE - Ireland 1
Total 11
City #
Ashburn 2
Sabana Grande 2
Chengdu 1
Dearborn 1
Dublin 1
Guangzhou 1
Hebei 1
Mountain View 1
Unknown 1
Total 11


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2017 00 0300 0010 00 4
2019 00 0000 0000 01 1
2020 21 1002 0000 00 6
Ever 11