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Gallup Black on White[10] (See Plates 6 and 11)

Hardness: c. 4.5.

Comparison and discussion: Stratigraphy and association in the Bc
50-51 dump and rooms indicate that this type grew out of Escavada
Black on White.

It lasted, as indicated in the Chetro Ketl dump, at least as
late as 1130 A. D. Its chief distinguishing characteristic is the
mottled, streakily polished surface onto which the designs were
painted, most of the design being at least partly hatched. Designs
averaged more complicated than for Escavada Black on White but
were neither as well conceived, as delicate, nor as well executed as
the average for Chaco Black on White. The latter was evidently
a late and short development, never superseding the Gallup Black
on White but showing its florescence around 1100 A. D. and up
until 1130, as found in the Chetro Ketl dump.