ALBUQUERQUE, N.M. (AP) — Democratic members of New Mexico's congressional delegation are renewing their pleas for federal land managers to limit oil and natural gas drilling in the northwestern corner of the state over concerns about archaeological and cultural sites that dot the region.

U.S. Sens. Tom Udall and Martin Heinrich and Reps. Ben Ray Lujan and Michelle Lujan Grisham sent a letter this week to the acting state director of the Bureau of Land Management in New Mexico.

There have been concerns that the Trump administration could relax rules that have provided a buffer around Chaco Cult...