Environmental Impact Statement (EIS) Database
EIS Details
EIS Title
Gold Butterfly ProjectEIS Number
20230016Document Type
Final SupplementFederal Register Date
02/03/2023EIS Comment Due/ Review Period Date
03/13/2023Amended Notice Date
Amended Notice
Supplemental Information
Issuance of Notice of Intent to Prepare an EIS:
2020-12-15 00:00:00.0EPA Comment Letter Date
03/13/2023State or Territory
MTLead Agency
Forest ServiceContact Name
Matthew AndersonContact Phone
406-363-7121Rating (if Draft EIS)
As of October 2018, EPA discontinued the use of ratings for Draft EISs.
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more. If you need help accessing these PDF documents, please contact NEPAdatabasesupport (NEPAdatabasesupport@epa.gov) for assistance.
EIS Document(s):20230203_FSEIS_Gold_Butterfly_Appendix_B.pdf (30 pp, 550 K)
20230203_FSEIS_Gold_Butterfly_Appendix_A.pdf (104 pp, 1,252 K)
20230203_FSEIS_GoldButterfly.pdf (46 pp, 2,583 K)
Comment Letter(s):Gold Butterfly FSEIS Comment Letter 3-13-23.pdf (2 pp, 201 K)