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
All rights reserved
