1943 | tempera
early 20th century | watercolor
early 20th century | tempera
1906
6000-1000 BCE | Stone
late 1600s - early 1700s | ink on paper
6000-1000 BCE | Stone -- banded shale
8000-1000 BCE | Stone -- granite
8000-1000 BCE | Stone -- probably shale
700 - 1600 CE | Stone
700-1600 CE | Stone -- granite
6000 -- 1000 BCE | Stone
700-1600 CE | Stone -- quartzite
6000-1000 BCE | Stone -- porphyry
8000-1000 BCE | Stone -- porphyry
8000-1000 BCE | Stone -- sandstone
