(a) Proposed projects and activities implementing land management plans for which an environmental assessment (EA) is prepared;

(b) Proposed projects and activities implementing land management plans for which a draft or supplemental environmental impact statement (EIS) is prepared and notice and comment procedures are governed by 40 CFR parts 1500 through 1508;

(c) Proposed amendments to a land management plan that are included as part of a proposed project or activity covered in paragraphs (a) or (b) of this section which are applicable only to that proposed project or activity;

(d) A proposed project or activity for which a supplemental or revised EA or EIS is prepared based on consideration of new information or changed circumstances; and

(e) Proposed research activities to be conducted on National Forest System land for which an EA or EIS is prepared.