Conservation groups sued the US government this week over plans to blast the cliff walls of an eastern Utah canyon and build an oil truck highway through an area covered in historic inscriptions and near world-renowned Native rock art

Conservation groups sued the US government this week over plans to blast the cliff walls of an eastern Utah canyon and build an oil truck highway through an area covered in historic inscriptions and near world-renowned Native rock art ↧ US sued over plan to blast Utah canyon inscribed by 19th century '... Conservation groups sued the US government this week over plans to blast the cliff walls of an eastern Utah canyon and build an oil truck highway through an area covered in ​historic inscriptions and near world-renowned Native rock art.