24 mai 1869 - John Wesley Powell's First Expedition of the Colorado River
Description:
EXPLAIN:what the expedition was
What he found archaeology
Bureau of Ethnology
What this meant to archaeology in GC
copies of journals (pages or transcripts)
Pictures of journey - esp any with NA and arch
http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/powell-john.pdf
Ajouté au bande de temps:
Date:
24 mai 1869
Maintenaint
~ Il y a 156 ans