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When I run cameras in mule deer areas, trace mineral salt worked well up until around July and then they lost interest. I switched over to wet cob and a handful of apples at that time and that seemed to work for a few more months
I had the same results in areas not too far from where you're at, emac. Hardly any mule deer. Lots of elk, usually the same elk day in and day out, and the same whitetails day after day.