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NEPA Number: DOI-BLM-WY-P060-2026-0042-EA
Project Name: Mid West 5-A

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Project Information

NEPA Number

DOI-BLM-WY-P060-2026-0042-EA
Project Name

Mid West 5-A
Project Type

EA
NEPA Status

Completed - Completed
Lead Office

Casper Field Office
Last Updated

5/14/2026 5:00:00 PM

Project Description

Black Hills Bentonite (BHB) has submitted Plan of Operations (POO) to develop the federal managed bentonite minerals in NE Natrona County in central Wyoming.  This POO proposes the disturbance of 226.7 acres of federal managed lands. The plan calls for 97.3 acres of pits and will affect 129.4 additional acres for topsoil and overburden stockpile placement, access roads and staging areas.

Project Location

City	State/Territory	Zip Code	County(ies)
Midwest	Wyoming	82643	Natrona

Application Information

Applicant

Black Hills Bentonite
Case File Number

WYWY106778413
Program

Mining
Sub-Program

Hard Rock (Gold, Silver, Copper, Uranium, etc.)

Project Dates

Start Date

2/3/2026
FONSI Date

5/15/2026

Project Office Information

Lead Office

Casper Field Office
Offices

Casper FO

Contacts

Contact 1 Name

Matthew Clark
Contact 1 Email

[email protected]
Contact 1 Phone

(307) 261-7584

Contact 2 Name

Michael Robinson
Contact 2 Email

[email protected]
Contact 2 Phone

(307) 261-7520