The Midew society is commemorated in the name of the Midewin National Tallgrass Prairie (Illinois).
Like the petroglyphs, many petroforms have complex and lengthy teachings that have been passed down orally by the Ojibway, other First Nations, and the Midewiwin.
Like the Midewiwin, the Wabunowin is a secretive animistic religion, requiring an initiation, thus early non-indigenous writers lumped the information on the Wabunowin with the Midewiwin.
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Further, the Wabunowin lodge, usually with less than 25 participants, but as many as 300, only needed one or two elders to perform the ceremonies, unlike the Midewiwin which required several.
Midewin National Tallgrass Prairie, a grassland preserve in Illinois, USA (name based on alternate spelling of Midewiwin).