SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 82, NO. 11. PL. 3 



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I. Showlow. Basal part of an uld wall showing the use of large blocks sur- 

 mounted by small stones in poorly constructed horizontal courses. 



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2. Shuwlow. E.xceptiunally good section of lower-level wall uncovered in 

 test 12, composed of alternating layers of large blocks and small spalls. 



