"But we're not so proud that we don't recognize the opportunities to improve and expand our efforts," said Holtrop, who was to appear with Moe at a Denver news conference later Thursday to release the report.

Trust officials met with Forest Service Chief Gail Kimbell to discuss their findings. The group called for doubling the Forest Service's $14.5 million budget for heritage programs.

The Forest Service is updating its policy for employees in the field to emphasize the importance of preserving and protecting archaeological and historic resources. Holtrop said some of the revisions are responses to the trust's work and others have been in the works for a while.

"The report corroborates some of what we were doing," Holtrop said. Working with groups like the National Trust will help leverage more funds for the agency, he added.

Volunteers and nonprofits are working to save at-risk sites in national forests. Volunteers help tend to Chimney Rock Pueblo in the San Juan National Forest in southwest Colorado. He said the area's pueblos are the farthest northern points related to New Mexico's famed Chaco Canyon, a center of the ancient Puebloan culture.