Conservation group targets Colo. roadless plan A group of hunters and anglers says Colorado's plan for managing 4 million acres of roadless forest land could open backcountry important to big game and trout to logging and other development. The Theodore Roosevelt Conservation Partnership released a report Monday to warn of potential loopholes and call on state and federal officials to strengthen protections for the areas. The state and the U.S. Forest Service are writing rules to enact a management plan for more than 300 sites scattered through national forests in Colorado. Thursday is the deadline for public comments on the draft rules and proposal. The land is among roughly 58 million acres of land nationwide declared off-limits to new roads and development by the Clinton administration in 2001. Critics, including environmental and hunting and fishing groups, argue Colorado's proposal is weaker than the 2001 rule and would leave the state's roadless areas less protected than comparable sites in every other state. The plan would allow temporary roads to reach livestock grazing areas, for wildfire prevention, expansion of existing coal mining and some utility infrastructure. It would also remove some ski area terrain from the inventory of roadless areas....