Sarah T claims Garret & Martin believe the true Mt. Mamma is the ranked 13er on the ridge Pt. 13646, not 13,553. All maps I have seen clearly show Mt. Mamma at 13,553. 13646 would make more sense from a peak baggers perspective. Although I think 13,553 may be visible from St. Elmo and 13646 may not. Perhaps it was named by the inhabitants of St. Elmo who could not see PT 13646. I am not positive it isn't visible just guessing from the topo map.
Gerry Roach and LOJ show Mamma as unranked at 13,553.
Anyone have any thing on this subject?