Bureau of Land Management letter to Wild Horse Organized Assistance (WHOA!) regarding horse gather, claiming

This complex object contains material that falls under one of the following rights statuses: 1) Public Domain or 2) rights holders are unidentified or not located. The organization that has made this item available believes that portions of this item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. (CC Public Domain 1.0 and RightsStatements.org NoC-US 1.0). Portions in which University of Nevada, Reno is not the copyright holder are believed to be under copyright, but either (a) no rights-holder(s) have been identified or (b) one or more rights-holder(s) have been identified but none have been located. If you have any information that can contribute to identifying or locating the rights-holder(s) please notify the University of Nevada, Reno Special Collections and University Archives Department.