43 CFR § 10010.60
Actions normally requiring an EIS
June 11, 2020
(a) The following proposals will normally require the preparation of an EIS:
(1) Establishment of major new refuges or wildlife management areas, fish hatcheries, and major additions to such installations.
(2) Master development and/or management plans for major new installations.
(3) Management plans for established installations where major new developments or substantial changes in management practices are proposed.
(b) If for any of these proposals it is initially decided not to prepare an EIS, an EA will be prepared in accordance with 40 CFR 1501.4(e)(2).