The unmanned aircraft had been seized after it interfered with firefighting aircraft on Friday.
Talk of reintroducing wolverines in California has been put on hold while the U.S. Fish and Wildlife Service considers its response to a federal court order in Montana that overturned its decision denying protection of the animal under the Endangered Species Act.
Joseph Robertson was charged with two counts of unauthorized discharge of pollutants into waters of the U.S. and one count of malicious mischief.
The agreement will allow the state to work on behalf of the Forest Service on federal land, such as conducting environmental analyses for logging projects.