Montana at 6 p.m.

The desk can be reached at 406-442-7440. For access to AP Exchange and other technical issues, contact AP Customer Support at apcustomersupport@ap.org or 877-836-9477.

TOP STORIES:

MINING POLLUTION

BILLINGS — Environmental groups challenged the Trump administration in federal court Wednesday over its rejection of an Obama-era proposal that would have required mining companies to prove they have enough money to clean up their pollution. The Idaho Conservation League, Earthworks, Sierra Club and other groups filed a petition with the U.S. Court of Appeals in Washington, D.C. asking it to review last year's move to drop the rule. By Matthew Brown. SENT: 630 words, photos.

COAL MINING COMPANY

BILLINGS — Federal officials are being asked to investigate whether a financially-troubled coal company has posted sufficient bonds to cover future reclamation work at its mines in the U.S. and Canada. The Western Organization of Resource Councils, a Montana-based conservation group, said Wednesday that it was concerned that a bankruptcy by Westmoreland Coal Company could leave taxpayers to cover future reclamation costs. By Matthew Brown. SENT: 600 words, photo.

YELLOWSTONE BISON

HELENA — Yellowstone National Park is launching a new program to capture and quarantine wild bison with the goal of establishing new, disease-free herds across the nation, park officials said Tuesday. The program aims to help the conservation of the species by relocating wild Yellowstone bison to "suitable public and tribal lands" after they pass rigorous testing for disease, according to the National Park Service's decision. By Matt Volz. SENT: 500 words.

ANACONDA HOMICIDE

BUTTE — A probationer wanted for questioning in the death of an Anaconda woman was taken into custody near Butte Wednesday, but not before he crashed a car, an officer fired shots at him and another officer shocked him with a stun gun. Troy Douglas Johnson, 51, was apprehended Wednesday morning, hours after Shelley Schafer, 64, was found dead of a head injury in her residence in Anaconda. SENT: 430 words.

PROTECTING YELLOWSTONE

BOZEMAN — On a summer's day, the Greater Yellowstone Ecosystem is a busy place. The Hyalite Peak trail south of Bozeman features a steady stream of foot traffic, one of the most popular forest recreation destinations in Montana. East of Hyalite Peak in the adjacent Paradise Valley, rafts crowd the shore of the Yellowstone River as people jostle to launch for a day's float. In both places, vehicles are parked along roads and ditches because the parking lot at the trailhead and fishing access sites are full. By Brett French, The Billings Gazette. An AP Member Exchange. SENT: 700 words.

IN BRIEF:

— BOY FATALLY SHOT — The Gallatin County attorney's office has filed a motion seeking to charge a 13-year-old boy with felony negligent homicide in the August 2016 shooting death of a 9-year-old boy at a residence in Belgrade.

— NEW CATHOLIC BISHOP — The Roman Catholic Diocese of Las Vegas has installed its third bishop.

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If you have stories of regional or statewide interest, please email them to apdenver@ap.org. If you have photos of regional or statewide interest, please send them to the AP state photo center in New York, 888-273-6867. For access to AP Exchange and other technical issues, contact AP Customer Support at apcustomersupport@ap.org or 877-836-9477.

MARKETPLACE: Calling your attention to the Marketplace in AP Exchange, where you can find member-contributed content from Montana and other states. The Marketplace is accessible on the left navigational pane of the AP Exchange home page, near the bottom. For both national and state, you can click "All" or search for content by topics such as education, politics and business.