Categorical Exclusion · Lincoln Ranger District · updated 9/17/2026
South of Lincoln, MT in Powell and Lewis and Clark Counties · Lewis and Clark; Powell, Montana
The Ogden Poorman Project would address high hazard insect concerns with treatments that address damage and mortality from insects and disease. It is located on the Lincoln Ranger District, south of Highway 200.
Vegetation management (other than forest products)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | Section 603 of HFRA (16 U.S.C. 6591b) |
Categorical Exclusion · Lincoln Ranger District · updated 7/30/2026 · decision 10/2025 (Estimated)
The project area is located approximately 5.25 miles south-southeast of Lincoln, Montana. The area of operations generally parallels the north side of the Poorman Creek stream corridor and involves NFS lands located within Sections 16 and 17, Township 13 North, Range 8 West, M.P.M., in Lewis and Clark County, Montana. · Lewis and Clark, Montana
The Fulgham 1 Placer Project will collect and process bulk samples from an inferred placer deposit to confirm occurrence and better characterize deposit qualities and extent.
Minerals and geology
Project documents
NEPA / regulatory detail
| Categorical Exclusion | USDA-32d-USFS |
Environmental Assessment · Judith-Musselshell Ranger District · updated 6/23/2026 · decision 11/2026 (Estimated)
The Judith-Springs project lies in the eastern portion of the Little Belts Mountains in Judith Basin and Meagher Counties, north of Highway 12 in the Spring Creek, Musselshell and South Fork Judith River watersheds. The area is identified in the 2021 Helena-Lewis and Clark Land Management Plan as being with the Little Belts Geographic Area. See Appendix A in the Environmental Assessment for a map of the project area in addition to maps of the treatments. · Judith Basin; Meagher, Montana
A vegetation and forest fuels management project within the Little Belts Geographic Area to reduce hazardous fuels and maintain regional timber harvesting and milling infrastructure that supports local business.
Forest productsFuels managementVegetation management (other than forest products)
NEPA Start Date
11/12/2025
Project documents
Environmental Assessment · Helena Ranger District · updated 5/28/2026 · decision 2/2027 (Estimated)
The project area is located approximately 20 miles west of Helena, in Powell and Lewis and Clark Counties, Montana.
This locatable mineral exploration project involves lands managed by the US Forest Service and the Bureau of Land Management. Exploration would involve drilling on up to 127 drill pads, limited trenching, sample collection for geotechnical and geochemical analyses, and geophysical surveys.
Minerals and geology
NEPA Start Date
2/13/2026
Project documents
Decision Memo · Lewis And Clark National Forest All Units · updated 9/29/2025
T14N, R8W, Sec 12 on the Lincoln Ranger District of the Helena-Lewis and Clark National Forest · Lewis and Clark, Montana
2.8 miles of new aggregate and an additional 1.95 miles of existing aggregate surface to be treated with dust abatement to reduce dust and sediment delivery. Both bridge approaches and an additional section of road before the bridge to be repaved.
Road management
Decision
10/2025 (Estimated)
Implementation
10/2025 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.12 (4), 36 Cfr 220.6(D)(4) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Road Maintenance |
| Forests | Lewis And Clark National Forest |
| Districts | Lincoln Ranger District |
| Legal Land Description | 46.97917500, -112.55154600 |
Decision Memo · Lewis And Clark National Forest All Units · updated 9/29/2025
T13N, R9W, Section 34. · Lewis and Clark, Montana
Reroute of the Finn K1 road (#329-K1) to move the beginning mile post from private to Forest Service land. The project is located at T13N, R9W, Section 34. Approximately 200 ft of road would be rerouted and the old road would be obliterated.
Road management
Decision
10/2025 (Estimated)
Implementation
10/2025 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (24), 36 Cfr 220.6(E)(24) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Road Improvements/Construction |
| Forests | Lewis And Clark National Forest |
| Districts | Lincoln Ranger District |
| Legal Land Description | Not Applicable |
Environmental Assessment · Lewis And Clark National Forest All Units · updated 7/30/2025
Powell County - The project area is located between the western boundary of the Helena Ranger District and the Little Blackfoot River, south of Highway 12. · Powell, Montana
A vegetation management project to improve forest and watershed conditions and address hazardous wildfire fuel loads in and around the wildland urban interface.
Forest productsVegetation management (other than forest products)Fuels managementWatershed management
Comment Period
07/03/2024
Objection Period Start
04/17/2025
Decision
07/2025 (Estimated)
Implementation
07/2025 (Estimated)
Project documents
NEPA / regulatory detail
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | 218 (2013) Non-HFRA |
| Project Activity | Biomass; Fuel Treatments (Non-Activity Fuels); Forest Vegetation Improvements; Special Products Sales; Noxious Weed Treatments; Road Maintenance; Road Improvements/Construction; Rangeland Vegetation Improvements; Timber Sales (Salvage); Timber Sales (Green); Watershed Improvements |
| Forests | Lewis And Clark National Forest |
| Districts | Helena Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Lewis And Clark National Forest All Units · updated 7/14/2025
Stemple Pass Road on the Lincoln Ranger District · Lewis and Clark, Montana
Northwestern Energy proposal to replace their aerial powerline along Stemple Pass Road with approximately 1.5 miles (11 acres) of buried powerline on National Forest System (NFS) lands. Equipment will not need to be staged on NFS lands.
Special use management
Decision
07/2025 (Estimated)
Implementation
07/2025 (Estimated)
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (2), 36 Cfr 220.6(E)(2) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Special Use Authorizations |
| Forests | Lewis And Clark National Forest |
| Districts | Lincoln Ranger District |
| Legal Land Description | Secs. 14, 16, 21, 22, 23, T. 13 N, R. 8 W |
Environmental Assessment · Lewis And Clark National Forest All Units · updated 2/12/2025
Project area is in the central portion of the Little Belt Mountains, West of U.S. Hwy 89 Between the communities of Monarch and Neihart, MT. · Cascade; Meagher, Montana
A Vegetation management project to reduce hazardous fuels and fire threat within the Wildland Urban Interface (WUI) and to enhance associated forest and rangeland ecosystems across the project area.
Vegetation management (other than forest products)Fuels management
Comment Period
07/27/2023
Objection Period Start
05/18/2024
Decision
02/2025 (Estimated)
Implementation
03/2025 (Estimated)
Project documents
NEPA / regulatory detail
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | 218 (2013) Non-HFRA |
| Project Activity | Fuel Treatments (Non-Activity Fuels); Forest Vegetation Improvements; Road Maintenance; Road Improvements/Construction; Rangeland Vegetation Improvements; Timber Sales (Green); Watershed Improvements |
| Forests | Lewis And Clark National Forest |
| Districts | White Sulphur Springs Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Lewis And Clark National Forest All Units · updated 10/8/2024
Belt Creek-White Sulphur Springs Ranger District, Dry Fork of Belt Creek drainage, Evans property. · Cascade, Montana
This project grants special use authorization to the United States Air Force for the operation and maintenance of a missile cable line on a strip of land newly acquired by the Forest Service on the Belt Creek-White Sulphur Springs Ranger District.
Special use management
Decision
10/2024 (Estimated)
Implementation
10/2024 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (3), 36 Cfr 220.6(E)(3) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Special Use Authorizations |
| Forests | Lewis And Clark National Forest |
| Districts | White Sulphur Springs Ranger District |
| Legal Land Description | Section 14, 15, and 22, T.13 N., R. 8 E., P.M.M. |
Decision Memo · Helena Ranger District · updated 2/26/2018
North of Highway 12 near the Dog and Sweeney Creek drainages. · Powell, Montana
The Divide Travel Plan closed numerous travel routes within the project area. In order to fully implement the travel plan decision closed routes will be obliterated and rehabilitated in addition hazardous mines within the area will be closed
Recreation managementMinerals and geology
Decision
12/2018 (Estimated)
Implementation
02/2019 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (8), 36 Cfr 220.6(E)(8) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Road Decommissioning; Dispersed Recreation Mgmt.; Watershed Improvements |
| Forests | Lewis And Clark National Forest |
| Districts | Helena Ranger District |
| Legal Land Description | Not Applicable |