43 CFR 46.135 - Incorporation of referenced documents into NEPA analysis.
(a) The Responsible Official must determine that the analysis and assumptions used in the referenced document are appropriate for the analysis at hand.
(b) Citations of specific information or analysis from other source documents should include the pertinent page numbers or other relevant identifying information.
(c) Publications incorporated into NEPA analysis by reference must be listed in the bibliography. Such publications must be readily available for review and, when not readily available, they must be made available for review as part of the record supporting the proposed action.