 Retta Parks and Wildlife confirmed two more wolf attacks and livestock kills in northwest Colorado. CPW says the killings included a calf on July 7th and another calf on July 10th. Both killings were in Route County, which saw its first fatal wolf attack on June 15th. The two killings, the new ones, come amid plenty of debate on gray wolf management in the state, with many ranchers raising concerns about the impact the reintroduction is having on their livestock.