There are quite a few out there. This one should give you a good indication on the receiver.
http://www.fulton-armory.com/tea/m1serial.htm
It looks like the M1D was a rebuild of existing riffles and may contain several parts of different weapons.
http://scott-duff.com/M1D.htm
This is about the most informative site I've come across for the Garand.
http://www.thegca.org/