I agree follow where the elk and deer herds are wintering.if there be wolves in the area ,that's were they'll be.
CALLING CAN BE VERY EFFECTIVE. try fawn in distress. I'VE heard stories of IDAHOANS, USING BABY COTTONTAIL IN THE LOWMAN AREA. and don't be afraid to throw out a coyote howl every now and then . wolves are territorial and do not like coyotes in thier domain.
BEST WAY IS TO JUST GET OUT THERE . trial and error. good luck