In accordance with 40 CFR 1501.6, throughout the development of an environmental document, the lead bureau will collaborate, to the fullest extent possible, with all cooperating agencies concerning those issues relating to their jurisdiction and special expertise. Cooperating agencies may, by agreement with the lead bureau, help to do the following:

(a) Identify issues to be addressed;

(b) Arrange for the collection and/or assembly of necessary resource, environmental, social, economic, and institutional data;

(c) Analyze data;

(d) Develop alternatives;

(e) Evaluate alternatives and estimate the effects of implementing each alternative; and

(f) Carry out any other task necessary for the development of the environmental analysis and documentation.