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Crews Achieve 15 Percent Containment On Lower North Fork Fire

CONIFER, Colo. (AP/CBS4) - Bolstered by reinforcements, fire crews focused Wednesday on building containment lines around the 6-square-mile wildfire that destroyed dozens of homes in the mountains southwest of Denver and may have claimed two lives.

About 500 firefighters from several states, including expert hotshot teams, were at the blaze and fire managers were able to get help from air tankers for a second straight day. The fire, which broke out Monday, has quickly spread because strong winds. Until now, firefighters have been focused on protecting homes.

"We're going to try to take a bite out of this fire," Jefferson County sheriff's office spokeswoman Jacki Kelley said.

As of 4 p.m. Wednesday firefighter crews have been able to achieve 15 percent containment on the fire.

Watch Stan Bush's report on the latest information from the fire in the video below:

As crews dug lines around the fire's perimeter, a search team used dogs to look for a woman missing in the fire zone. Her home was among 27 destroyed or damaged in the blaze.

A Colorado State Urban Search and Rescue Team (USAR), known as Task Force 1, has been concentrating its efforts on finding the missing woman. The team is made up of 32 persons and six search canines.

Authorities believe the fire was likely sparked by a controlled burn set last week to clear vegetation in the hopes of preventing a wildfire.

The fire resulted in mandatory evacuations of 900 homes south of the commuter town of Conifer, about 25 miles southwest of downtown Denver. Residents of 6,500 more homes were warned Tuesday to be ready to leave since many homes are in winding canyons, and authorities wanted to give as much advance warning as possible.

Lower North Fork Fire Map
(credit: CBS)

Meanwhile, investigators are trying to determine whether the fire reignited from the controlled burn that was meant to reduce vegetation that could fuel a devastating blaze around homes and watersheds. The Colorado State Forest Service conducted a 35-acre burn in the region on Thursday -- on land belonging to Denver's water authority -- said forest service spokesman Ryan Lockwood.

LINK: Statement Sent To CBS4 From The Colorado State Forest Service

Crews finished the effort Friday and patrolled the perimeter daily to ensure it was out, Lockwood said. It was during Monday's patrol that a state forest service crew spotted the wildfire -- also on Denver Water property -- and alerted authorities, Lockwood said.

It wasn't clear if the wildfire was inside the controlled burn zone.

RELATED STORY: Hickenlooper Stops Prescribed Burns After Lower North Fork Fire

Colorado's deputy state forester apologized for the fire on Wednesday. The Colorado State Forest Service announced that an ember apparently jumped a containment line Monday and started the blaze.

Watch Rick Sallinger's report on the investigation into the cause of the fire in the video below:

Stacy Chesney, a spokeswoman for Denver Water, said the agency was "trying to be proactive" to protect water supplies from soil runoff caused by deforestation.

The area has several watersheds that feed metropolitan Denver and is several miles from the location of a 2002 Fire, one of Colorado's worst, which destroyed 133 homes and 466 outbuildings over 215 square miles.

Protocols for controlled fires include monitoring them until they are determined to be cold - meaning nothing is at risk for reigniting, said Roberta D'Amico, spokeswoman for the National Interagency Fire Center in Boise, Idaho. Fire officials normally check weather, terrain and other factors to create a burn plan and alert municipal authorities, D'Amico said.

Carole Walker, director of the Rocky Mountain Insurance Information Association, said state agencies have limited immunity for performing regular duties.

"They have immunity on the duties of managing a forest. It would have to be determined they were negligent or acting outside their duties" for property owners to seek compensation, Walker said.

RELATED STORIES: Rebuilding After A Fire Is No Easy Process | Questions & Answers About Colorado Wildfire Liability

Officials found the bodies of a couple at a destroyed home, said Daniel Hatlestad of the Jefferson County Incident Management Team. They were identified as Sam Lamar Lucas, 77, and Linda M. Lucas, 76. A cause of death was pending for both.

Watch Jeff Todd's report on how the evacuees say information is hard to come by in the video below:

On Tuesday, evacuees formed a long line to see a list of damaged properties posted by the Red Cross at Conifer High School. Residents groaned when Hatlestad told them it wasn't known when the fire would be contained.

"I understand that it's a difficult situation, but it's our house, and we're in the target zone," John Ryan, 47, said.

Hatlestad said the fire burned so hot that it melted farm and construction machinery, creating a silver stream of molten metal and softening the soles of deputies' shoes.

Watch Kathy Walsh's report on the generosity of Coloradans to the fire victims in the video below:

The fire threat in much of Colorado has grown during an unusually dry and warm March. On March 18, a grass fire charred 37 square miles in eastern Colorado and injured three firefighters.

As the fire near Conifer burned, Jefferson County officials implemented fire restrictions prohibiting any use of fireworks; fires unless they are built in permanently constructed fire grates in a developed park, campground or picnic area; and smoking, except within enclosed vehicles or buildings, a developed recreation site, or an area barren of combustible material within 3 feet.

Watch Jane Monreal's report on the burn bans across the state in the video below:

Across the West, most states face normal wildfire danger, according to the National Interagency Fire Center in Boise, Idaho. However, the potential for summer fires is significantly "above normal" for New Mexico, Arizona, Utah, Nevada and California, center meteorologist Ed Delgado said.

PHOTO GALLERY: Lower North Fork Fire

"It's just a changing weather pattern. We're exiting La Nina, and becoming more neutral in that pattern," he said. "Historically when we've entered this weather pattern, we've had situations that would be conducive to those areas having a higher fire threat."

La Nina is a cooling of the surface water in the Pacific Ocean that disrupts weather patterns.

The fire near Conifer has consumed grass, brush and some Ponderosa Pine tree canopies.

Associated Press writers Rema Rahman and Steven K. Paulson in Denver, Kristen Wyatt in Conifer, Rebecca Boone in Boise, Idaho, and Ben Neary in Cheyenne, Wyo., contributed to this report. CBS4's Matthew J. Buettner also contributed to this report.

(TM and © Copyright 2012 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2012 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

Below is video of Andrea Lopez's report on Wednesday's air attack:

Wildfire Resources

- Visit CBSDenver.com's Wildfire Resources section.

- Read recent Wildfire stories.

Wildfire Photo Galleries

- See images from the most destructive wildfire (Fourmile Fire) and largest wildfire (Hayman Fire) in Colorado history.

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