But It Really Wasn't Until Three To Four Years Later, When We Had An Opportunity In The Lab To Make Very Detailed Observations, And Comparisons With Other Fossil Discoveries, That We Realized She Was A New Species Of Human Ancestor.

But it really wasn't until three to four years later, when we had an opportunity in the lab to make very detailed observations, and comparisons with other fossil discoveries, that we realized she was a new species of human ancestor.

Donald Johanson

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As an undergraduate, I had an opportunity to go on a number of archeological digs. So I had experience excavating, digging up remains of ancient Indian villages in the Midwest and in the Southwest.

Donald Johanson

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