Re: John Miles Palmer obit

http://history.denverlibrary.org/research/denver_obit_project/1970.pdfhttp://history.denverlibrary.org/research/denver_obit_project/1970.pdf

http://history.denverlibrary.org/research/denver_cemeteries.htmlhttp://history.denverlibrary.org/research/denver_cemeteries.html

Located no obit published for John Palmer. Other than requesting a death certificate, you could try the area cemeteries.
If it were me, I would start w/ Crown Hill.