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Las Conchas Fire 100 Percent Contained

SANTA FE, N.M. — Federal officials Monday evening declared the Las Conchas Fire, the largest fire in recorded New Mexico history, 100 percent contained.

The second major wildfire burning in northern New Mexico, the Pacheco Fire, was declared 100 percent contained Sunday.

The Las Conchas fire broke out in the Jemez Mountains southwest of Los Alamos June 26, threatening Los Alamos National Laboratory, forcing the evacuation of the town of Los Alamos, and causing significant destruction in the neighboring Santa Clara Pueblo watershed.

At 156,593 acres, officials call Las Conchas “the largest wildland fire in New Mexico’s recorded history.” Scientists note that fires in past centuries, before fire suppression efforts began, often burned larger areas.

“It’s been a tough six weeks,” Maria T. Garcia, Santa Fe National Forest supervisor, said in a statement Monday evening. “The successful containment of the Las Conchas Fire is the result of the tremendous involvement and coordination of many people, from many agencies and jurisdictions.”

The Pacheco Fire, in the Sangre de Cristo Mountains northeast of Santa Fe, burned 10,250 acres, and has caused flooding and debris flow problems in downstream watersheds.