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A truck sits near the charred foundation of one of the homea lost to the CalWood fire on Thursday in Boulde. (Timothy Hurst/Staff Photographer)
A truck sits near the charred foundation of one of the homea lost to the CalWood fire on Thursday in Boulde. (Timothy Hurst/Staff Photographer)

Firefighters on Friday were able to build on Thursday’s efforts to quell the fires in Boulder County, as crews increased containment on the CalWood Fire and worked on mopping up the Lefthand Canyon Fire.

Aided by a cold front, crews on Friday increased containment of the CalWood Fire to 66%, according to a report on, and continued patrols of the Lefthand Canyon Fire, which is fully contained.

Earlier Friday, all evacuated residents were allowed to return home.

Boulder County’s evacuation map on late Friday showed new containment on the CalWood Fire’s southern edge near Spruce Gulch, where officials said that morning crews would focus on improving the fire lines.

“Crews on the south side of the fire have been successful in constructing and improving direct lines on the fire’s edge,” officials wrote in a post Friday evening.

The Inciweb report states that crews fighting the CalWood Fire, which broke out Oct. 24 near Jamestown, plan to continue improving containment lines and looking for areas to build containment lines on the fire’s northwest edge near Colo. 7, where the terrain makes building fire lines more difficult.

Crews fighting the Lefthand Canyon Fire, which broke out Sunday near Ward, plan to continue patrolling the fire and maintaining containment lines.

Crews spent Friday building on progress made Thursday.

“Another good day yesterday,” Josh Shroyer with the Rocky Mountain Incident Management Team said in an update posted Friday morning. “Crews are really getting out there and really hammering the line and we’re getting some containment.”

The CalWood Fire, the largest wildfire in Boulder County history, remains at 10,073 acres. 


Shroyer said the focus in the coming days for crews on the CalWood Fire is where the fire is now moving through some difficult terrain as it burns toward Colo. 7 on the north side of the perimeter.

“Our big issue is on the northwest side, where the fire has crossed and gone into some steep country,” Shroyer said. “We’re looking at some containment features, some old road beds, some natural features such as rock outcrops or maybe even some handline if we can get some decent enough terrain to get some crews in there. So that’s our big scouting mission for today.”

In the afternoon post, officials wrote that “crews on the north side of the fire are monitoring the fire as it backs down the canyon towards (Colo. 7). Other firefighters in that area will be scouting opportunities to construct fire lines between the highway and the canyon rim.”

As for the Lefthand Canyon Fire, officials said crews would mostly be working on monitoring the burn area. The fire has sat for a while at 460 acres.

“We’re just going to continue to patrol and monitor this,” Shroyer said, noting they would be sending crews from the Lefthand Canyon Fire to work on the larger CalWood Fire.

Overall, officials said fire activity was “minimal” on both fires Friday.

Shroyer also said some resources would be funneled from Boulder County to the East Troublesome Fire and Cameron Peak Fire.

“Our first priority is our fires here, but as we’ve gotten some good containment and we’re feeling good about the prognosis of the fires, we have identified those resources that we can lend and send to those other priority fires,” Shroyer said. “But we’re not going to lose what we’ve got here.”

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