Categorical Exclusion Determinations: B4.7

November 6, 2018

CX-026124: Mercury Modernization - Campus Development and Construction Activities

Mercury Modernization (MM) is a multi-year project that would redevelop a central area of the current Mercury town site to provide modern facilitie…

November 2, 2018

CX-019289: Western Area Power Administration Casper Substation - PacifiCorp Casper Substation Fiber Optic Ground Wire and Buried Fiber Installation

Categorical Exclusion Determination

November 2, 2018

CX-019288: Casper - Glendo North 115-kilovolt and Dave Johnston - Goshen 230-kilovolt Transmission Lines Fiber Optic Ground Wire Sharing with PacifiCorp

Categorical Exclusion Determination

September 21, 2018

CX-019016: Spring Creek-Keswick Fiber Optic Cable Installation

Categorical Exclusion Determination

September 20, 2018

CX-019291: Estes-Mary's Lake East 115-kilovolt, Estes Mary's Lake West 115-kilovolt, and Mary's Lake-East Portal 69-kilovolt Transmission Lines Fiber Optic Ground Wire Installation

Categorical Exclusion Determination

September 18, 2018

CX-018967: Power Burst Facility-622 Fiber Optic Cable Installation

Categorical Exclusion Determination

August 30, 2018

CX-019229: Big George-Heart Mountain-North Cody Substations and 69 Kilovolt Transmissions Line Upgrades Park County, Wyoming

Categorical Exclusion Determination

August 30, 2018

CX-018968: Obsidian Test Pad

Categorical Exclusion Determination

August 8, 2018

CX-018807: Estes-Mary's Lake West 115-kilovolt and Mary's Lake-East Portal 69-kilovolt Transmission Lines Fiber Optic Ground Wire Installation

Categorical Exclusion Determination

August 7, 2018

CX-018598: Knolls Laboratory Q3 Yard Resource Conservation and Recovery Act Facility Investigation and Eastside Building Expansion Project

Categorical Exclusion Determination

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