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Stem-and-Leaf Plot for Structure 1502, Sand Canyon Pueblo
Stem-and-leaf plot of all tree-ring dates for Structure 1502. Each numeric digit in the bars of the histogram represents the final digit of one tree-ring date. For example, in the second bar from the bottom, there are two dates in the A.D. 1240s: 1248 and 1248. The first date is a cutting date.
A.D.
890s
89
0
**
930s
93
48
**
960s
96
6
**
980s
98
69
**
1000s
100
7
**
1030s
103
6
**
1050s
105
6
1060s
106
3
**
1090s
109
27
1100s
110
9
1110s
111
4
1120s
112
9
**
1140s
114
466
1150s
115
57
1160s
116
378
**
1180s
118
4
1190s
119
08
1200s
120
01244444445569
1210s
121
00122245677899
1220s
122
000000
1230s
123
79
1240s
124
88
**
1270s
127
0
NOTE: Two samples, which dated to 1157 and 1168, were collected from modern ground surface, in what appeared to be pothunters' backdirt from Structure 1505.
KEY
** = break in scale of y-axis
underlined = cutting date
unmarked = noncutting date
Copyright © 2003 by Crow Canyon Archaeological Center. All rights reserved.