History_of_Geology, 2 months ago German March 20, 1962, died #OTD, American astronomer Andrew Ellicott Douglas. Recognizing the influence of solar input on tree growth, he uses ancient wood samples to date 2 archaeological sites, the beginning of #dendrochronology 🌲 https://tinyurl.com/y4yvfug8
March 20, 1962, died #OTD, American astronomer Andrew Ellicott Douglas. Recognizing the influence of solar input on tree growth, he uses ancient wood samples to date 2 archaeological sites, the beginning of #dendrochronology 🌲
https://tinyurl.com/y4yvfug8
