Page "Ancient Pueblo Peoples" Paragraph 17

Some tall cylinders are considered ceremonial vessels, while narrow-necked jars may have been used for liquids.

Ware in the southern portion of the region, particularly after 1150 CE, is characterized by heavier black-line decoration and the use of carbon-based colorants.

In northern New Mexico, the local " black on white " tradition, the Rio Grande white wares, continued well after 1300 CE.