Environment | Page 35

Jeffers Petroglyphs

The dawn sun illuminates Jeffers Petroglyphs, ca. 2018. Photograph by Tom Sanders; used with the permission of Tom Sanders.

Hand Petroglyph

Hand Petroglyph at Jeffers Petroglyphs Historic Site, ca. 2018. Photograph by Tom Sanders; used with the permission of Tom Sanders.

Looking west from the outcrop at Jeffers Petroglyphs

Looking west from the rocky outcrop at Jeffers Petroglyphs

Looking west from the rocky outcrop at Jeffers Petroglyphs, ca. 2018. Photograph by Tom Sanders; used with the permission of Tom Sanders.

LiDAR map of the Red Rock Ridge and its cultural sites

LiDAR map of the Red Rock Ridge and its cultural sites, ca. 2018. Photograph by MnTOPO/Minnesota Department of Natural Resources.

Main outcrop at Jeffers Petroglyphs

Main outcrop at Jeffers Petroglyphs, ca. 2018.

Digitally enhanced petroglyphs

Digitally enhanced petroglyphs at the Jeffers site, ca. 2018.

Jeffers Petroglyphs is an internationally significant Native American sacred site and the location of the largest group of Indigenous petroglyphs (rock carvings) in the Midwestern United States. Situated in Dakota homeland, it is sacred to multiple Native American nations, including the Cheyenne, Arapaho, Iowa, and Ojibwe.