Green Mt Doc Bird. The Morgan Horse Magazine, March 1988

Photo from the AllBreed site.

https://www.allbreedpedigree.com/green+mt+doc+bird

This very versatile stallion had a pedigree that was 7/8th Lippitt and Old Vermont High Percent. The other 1/8th was Gov't. 

Some of his get did breed on to one extent or another.