I found the attached photos on eBay of the Clear Creek section crew headed by Samuel Jack. No other crew members are identified.
The captions are:
Clear_Creek-01 Section crew; Clear Creek, IN; 1905; E. Pietzuch photo; Samuel Jack seated and has mustache
Clear_Creek-02 Section crew; Clear Creek, IN; 1901; E. Pietzuch photo; Samuel Jack at left standing
George L.