late 19th century - early 20th century | gelatin silver process
900 -- 1600 CE | Clay, shells, appliqued, noded, incised
1000 -- 1600 CE | Clay, shells, polished, appliqued, notching
700 - 1500 CE | clay, red slip
circa 1900 | clay
300 BCE - 200 CE | clay, slip, paint
Unknown | jade
700-1600 CE | Stone -- sandstone
1000 BCE-700 CE | Stone -- greenstone
mid-20th century | colored pencil on paper
