Here'a a pair that look to be related. Same location and travels.
August here.
Anton here.
Suspiscion confirmed !
We now have a chart made from data supplied by Denise Ratterman Jackson. It is from her research efforts and with an assist with data acquired from the volumes of the
                     Francis Ratterman Collection
Francis' daughter, Mary Alison Bollman, provided  assistance.
They both can be contacted through her email address.
Denise's email:
The new chart.