On the 13,170 summit of N. Emmons, I found an azimuth mark from 1962 labeling the peak as Emmons which makes sense if an azimuth mark is a station that is associated with a primary station (as it can be found to be defined as) where 13,440 Mt. Emmons is the “primary”.
This picture is included as part of the Five Utah 13ers in a Day trip report. Please see
Five Utah 13ers in a Day.