Date Range 1 (A.D. 725920)
		 
		Pueblo I. 
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		Date Range 2 (A.D. 9201140)
		 
		Pueblo II. 
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		Date Range 3 (A.D. 11401280)
		 
		Pueblo III. 
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		Date Range 4 (A.D. 725800)
		 
		Early Pueblo I (A.D. 725-800). 
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		Date Range 5 (A.D. 10201060)
		 
		Middle Pueblo II (A.D. 1020-1060). 
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		Date Range 6 (A.D. 10601140)
		 
		Late Pueblo II (A.D. 1060-1140). 
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		Date Range 7 (A.D. 11401225)
		 
		Early Pueblo III (A.D. 1140-1225). 
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		Date Range 8 (A.D. 12251280)
		 
		Late Pueblo III (A.D. 1225-1280). 
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		Date Range 9 (A.D. 10601100)
		 
		A.D. 1060-1100. 
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		Date Range 10 (A.D. 11001140)
		 
		A.D. 1100-1140. 
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		Date Range 11 (A.D. 11401180)
		 
		A.D. 1140-1180. 
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		Date Range 12 (A.D. 11801225)
		 
		A.D. 1180-1225. 
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		Date Range 13 (A.D. 12251260)
		 
		A.D. 1225-1260. 
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		Date Range 14 (A.D. 7711258)
		 
		Overall date-range of occupation at Shields Pueblo, as defined by tree-ring cutting dates. 
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		Date Range 15 (A.D. 10201260)
		 
		Late occupation of Shields Pueblo. 
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		Date Range 16 (A.D. 12581280)
		 
		Period between the abandonment of Shields Pueblo and the end of Pueblo occupation in the central Mesa Verde region. 
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		Date Range 17 (A.D. 10601225)
		 
		Late Pueblo II period through Early Pueblo III. 
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		Date Range 18 (A.D. 10201280)
		 
		Middle Pueblo II period through Late Pueblo III. 
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		Date Range 19 (A.D. 7251225)
		 
		Early Pueblo I period through Early Pueblo III. 
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		Date Range 20 (A.D. 9201280)
		 
		Pueblo II through Pueblo III. 
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