Periodic report from the 1962 Tucumcari Bull Test, including information on measurement methodologies used during testing and measurement results for participating bulls.
Periodic report from the 1968-69 Tucumcari Bull Test, including information on measurement methodologies used during testing and measurement results for participating bulls.
Periodic report from the 1970 Tucumcari Bull Test, including information on measurement methodologies used during testing and measurement results for participating bulls.