The tracts will be sold at auction on Dec. 19, the last lease sale before President Bush leaves office a month later. The new leases were added after a map of the proposed tracts was given to the National Park Service for comment this fall. The proximity of industrial activity concerns park managers, who worry about the impact on the air, water and wildlife within the park, as well as the potential for noise, said Michael D. Snyder, a regional director of the Park Service who is based in Denver.

The Park Service is usually given one to three months to comment on leases, Mr. Snyder added.

“This is the first time,” he said, “where we have not had sufficient opportunity to comment.”

He said he had asked the Bureau of Land Management’s state director, Selma Sierra, to pull the new tracts from the December auction for more study. She refused.

Kent Hoffman, a deputy director of the land management bureau’s Utah office, said the Park Service had ample opportunity to review the broad management plan under which the leases were developed, even if it was not given the usual notice of which leases were being offered for sale. Mr. Hoffman added that 37 days remained to air any protests and review the decision about which tracts to lease.

If any leases are sold Dec. 19 and subsequently delivered to the buyers before Inauguration Day, however, it will be difficult for the new administration to reverse those decisions.