The John D. Dingell Jr. Conservation, Management, and Recreation Act of 2019 is an omnibus lands act that protected public lands and modified management provisions. The bill designated more than 1,300,000 acres (5,300 km2) of wilderness area, expanded several national parks and other areas of the National Park System, and established four new national monuments while redesignating others. Other provisions included making the Land and Water Conservation Fund permanent, protecting a number of rivers and historic sites, and withdrawing land near Yellowstone National Park and North Cascades National Park from mining.