I have been there
Have done a little deer hunting in happy valley (very little). It is close enough to Syracuse that when the Northern Tier (whitch happy valley is in) seasons open it gets a lot of hunting pressure.
I am sure that the NYSDEC web page has info on HV.
First make sure your gun is safe, remove the bolt and clean your barrel from the chamber to the end of muzzle. Clean the barrel using butchers bore shine until a patch comes out white. Run a total of 5 separate patches soaked with denatured alcohol through the bore and let dry for 30 minutes. Insert a cleaning rod with a jag and a dry patch into the neck of the chamber. Make sure it will stay there through the next process. Now using another cleaning rod, install a patch that has been coated...