More than 100 enviro groups yesterday petitioned the Clinton-Gore administration to temporarily prevent development on 160 million acres of roadless federal areas in the West managed by the Bureau of Land Management. They are asking the BLM to reinventory the land to determine how much should be protected as wilderness, contending that past BLM inventories and management plans were seriously flawed. “It is urgent that they act now because we’re losing areas every day to off-road vehicle abuse, oil drilling, mining, and other destructive uses,” said Scott Groene of the National BLM Wilderness Campaign.