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George G. Groff
American geologist and physician · United States · On the map · Scientists · Lived 1851 to 1910 · aged 58
George G. Groff was an American scholar, physician and author.
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A typical day, 30 days to 2 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Country
United States
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1851 to 1910 · aged 58
