10 + CLUSTER 1 [ee gst & &| - | | | |le ! I | et je" < I oy ™ I N | ° r | CLUSTER 2 ° . | | | 7 | | | ee CLUSTER MEAN ° !{ | e pT“| ts \ i . ee al ab 0 I = STANDARD ERROR OF Ie le e le 0 X = CLUSTER MEAN { CLUSTER 3 i | . | . i | | | iJ oT | . 100 200 300 mn 400 SAMPLE DISTANCE FROM INCA GZ (METERS} FIGURE B-2-2. PEARL SOIL SAMPLE DATA,TN 2.0-B B-2-5 ‘ 500 tT 600