Editing Pecos Classification (section)

===Pueblo I Period (750 – 900)=== 
{{main|Pueblo I Period}}

The [[Pueblo I Era|Pueblo I Period]] saw increasing populations, growing village size, social integration, and more complicated and complex agricultural systems typified this Period.  The construction and year-round occupation of pueblos begins; the people constructed reservoirs and canals to deal with scarce and irregular water resources.  Large villages and great kivas appear, though pithouses still remain in use. Above-ground construction is of [[jacal]] or crude [[masonry]]. Plain gray [[Bisque (pottery)|bisque]] predominates in pottery, though some red bisque and pottery decorated in black and white appears.