EIS/IAACIf anyone is curious about the size and degree of detail the provincial (EIS) and federal (IAAC) studies require, the most recent submission by MOZ at the federal level (all responses to IRs, "Information Requests") is worth a look:
https://iaac-aeic.gc.ca/050/evaluations/document/141714
This updated toward the end of October. The one caribou document (7 July) is 149 pages long.