- Oct. 2016 Office of Inspector General Report (Confirming that BLM sold 1,700 wild horses for slaughter in violation of federal law)
- Oct. 2016 Office of Inspector General Report (BLM's Wild Horse & Burro Program is Not Maximizing Efficiencies or Complying with Federal Regulations
- National Academy of Sciences Report 2013
- GAO Report 2008
- USGS Report on Fertility Control 1994
- BLM/FS Joint Report to Congress FY 1992-95
- GAO Report 1990: Rangeland Management
- National Academy of Sciences Report 1982