Judges halt 3,500-well Normally Pressured Lance gas field
January 22, 2026 - Breaking news!!! From Mike Koshmrl at Wyofile: "Judges halt 3,500-well ‘NPL’ gas field in Wyoming’s Green River Basin" “The Clean Air Act requires federal agencies to…
NEW! Interactive Map with Cheatgrass Locations in the Pinedale Anticline and Jonah Infill Natural Gas Fields
This map created by the Upper Green River Alliance provides locations of cheatgrass in the Pinedale Anticline and Jonah Infill natural gas fields, Sublette County, Wyoming. Using the layer list…
Scientists Say Path of the Pronghorn is Misrepresented in Gas Field Suit
From Wyofile.com, May 23, 2023 By Mike Koshmrl "Scientists: ‘Path of the Pronghorn’ misrepresented in gasfield suit" "Ecologist Joel Berger wasn’t pleased when he learned his research had been…
Fatal Winter for the Path of the Pronghorn
Wyofile's Mike Koshmrl, who has reported extensively on the Path of the Pronghorn, provides a grim update on the status of the Sublette pronghorn herd. Read, "Fatal winter puts…
Help Designate and Protect the Path of the Pronghorn!
Take a journey along the Path of the Pronghorn in western Wyoming, from the Upper Green River basin to Grand Teton National Park. Use this interactive map to open…
“Voices for the West” Webinar: Path of the Pronghorn!
Join the Upper Green River Alliance and our colleagues at "Advocates for the West" for their monthly "Voices for the West" webinar entitled "Wildlife Migration: Paths Worth Protecting." We are hosted by…
NEW! Interactive Map with Cheatgrass Locations in the Pinedale Anticline and Jonah Infill Natural Gas Fields
This map created by the Upper Green River Alliance provides locations of cheatgrass in the Pinedale Anticline and Jonah Infill natural gas fields, Sublette County, Wyoming. Using the layer list…
NEW! Interactive Map with Gallons of Produced Water!
This interactive map of Sublette County, Wyoming oil and gas fields includes names, locations, and a table that lists total gallons of "produced water" per field and cumulatively as of…
NEW! Interactive Map of Sage-grouse, Pronghorn, Mule deer and more!
This interactive map of Upper Green River Basin Greater Sage-grouse, pronghorn, mule deer and moose year-round ranges will show you how and where vital wildlife habitats intersect with current and…
The Unseen Upper Green – Groundwater
The Unseen Upper Green - Groundwater by Linda F Baker. Reprinted with permission, River Management Society Journal Winter 2021 issue. "The river we can see is a water commonwealth: physically,…
