1981 | acrylic on mat board
mid-20th century | tempera
August 7, 1847 | ink on paper
late 19th century - early 20th century | ink on paper
early 20th century | ink on onion skin paper
2000 BCE - 1000 CE | Stone, hematite
circa 1900 | silver
700-1600 CE | Stone -- sandstone
900 - 1600 CE | limestone
late 19th century | catlinite
late 19th century | catlinite (red steatite or pipestone), wood
20th century | Tempera on paper
700-1600 CE | Ceramic
8000-1000 BCE | Stone -- porphyry
700 - 1600 CE | Stone
8000-1000 BCE | Stone -- granite
2000 BCE-1000 CE | Stone
700-1600 CE | Stone
700-1600 CE | Stone -- Dover flint
