His parents knew.

Certain trusted individuals knew.

The knowledge was held within the family and specific close relationships.

The location was somewhere in the country between Fort Robinson in Nebraska and the Pine Ridge area of South Dakota.

Various accounts have pointed to specific locations in this broad territory, but none of these specific locations has been confirmed through physical evidence.

The oral tradition also includes accounts that are more specifically locating: pointing to specific creek drainages, specific ridges, specific landforms.

These more specific accounts are not consistent with each other, which reflects either that different people have different pieces of a deliberately fragmented knowledge, or that specific accounts have been shaped by the passage of time, the influence of later stories, or other factors.