Figure 21.5. Stem-and-leaf plot of the tree-ring cutting dates from all the tested sites. Each numeric digit in the bars of the histogram represents the third digit of one tree-ring date.

A.D.
650s     65    59
**
1050s    105   9
1060s    106   445
**
1080s    108   17
**
1160s    116   5
1170s    117   0
**
1200s    120   566779
1210s    121   00001122334
1220s    122   99
1230s    123   01111111278
1240s    124   8
1250s    125   3555556667
1260s    126   0011111458
1270s    127   01

Key: ** = break in scale of y-axis
underlined = cutting date

© 1999 by Crow Canyon Archaeological Center
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