Due to the "shutdown" received hundreds of thousands of state workers, no pay for more - including the staff of the national parks.
Joshua Tree, more than 792,000 acres of national park nestled between Palm Springs to the south and the town of Joshua Tree to the north, will remain open during the shutdown but its popular campgrounds will close at noon Wednesday, according to the National Park Service.
However, the National Park Service closed the Joshua Tree campgrounds at 12 p.m. on Wednesday over health and safety concerns.
But some are seizing on the shortage of park staffers to drive off road illegally and otherwise damage the park, as well as relieving themselves in the open.
Kristen Brengel, vice president of government affairs for the National Parks Conservation Association, said the shutdown not only hurts the parks but also surrounding communities that rely on an estimated $18 million a day from tourism.
The visitor center and museum at Yosemite are closed and emergency response times may increase during the shutdown.
He's also been trying to talk visitors out of illegal fires, illegal parking, littering and other forbidden activities.
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For more information on US national parks partial closures, visit the National Park Service's Twitter account here. And in fairness, most visitors to the national parks have been respectful. "A lot of these people are returnees and they're more than happy to give back to this park".
John Garder: "We really commend the volunteers who've been helping to try to take care of parks and make sure that visitors have a safe and enjoyable time".
"We can't afford to wipe all the bottoms who visit Joshua Tree", said Sabra Purdy, reported The Sun. "There is more garbage, feces, and usually miss, as I've seen in the four years that I live here", says Dakota Snider, the valley works in Yosemite.
He and other business owners have pitched in to empty trash, stock restrooms and haul trailers onto park grounds.
Besides instances of people using the woods as a toilet, MacDonald said his biggest concern is what the shutdown could mean for Acadia in the long term.
The partial government shutdown has resulted in closings at the Smithsonian Institution, money problems for small businesses, and now, piles of poop at America's national parks. The contractors that operate park tours by snowmobile, buses and vans are grooming trails, hauling trash and replacing toilet paper at pit toilets and restrooms along their routes. But still, they can't keep going forever.
"It's definitely not our preference - the park service does a good job doing their thing and we hate to see them out of work", Travis Watt, general manager of See Yellowstone Alpen Guides based in West Yellowstone, Montana, told the AP.