Mississippian Piasa effigy pipe, AD 1300 – 1500, Moundville, Hale County, Alabama - Glendon limestone - Infinity of Nations: Art and History in the Collections of the National Museum of the American Indian - George Gustav Heye Center, New York
Female figure, painted and embossed marble statue from Etowah Mounds site, Georgia, Mound "C," burial 15, A.D. 1250-1375; carved in seated position, legs folded back underneath, detailed with a belt, skirt, and apparently cloth headdress. Pigments of red ochre and carbon black were added to enhance head, facial features, and articles of clothing. A portion of the chest area is covered with encrusted residue of copper. Mississippian culture.
Study of pipestone artifacts overturns a century-old assumption .... Hopewell Indians, Tremper Mound .... "Less than 20 percent of the 111 Tremper Mound pipes they tested were made from local Ohio stone. About 65 percent were carved from flint clay found only in northern Illinois and 18 percent were made of a stone called catlinite -- from Minnesota."
Mississippian jar depicting a frog, AD 1200–1400, Blytheville, Mississippi County, Arkansas - Clay - Infinity of Nations: Art and History in the Collections of the National Museum of the American Indian - George Gustav Heye Center, New York