Mountain Rails of Old (Family History Mystery Series, #2)

Mountain Rails of Old, third book in the Family History Mystery Series.
Digger's mountain hides some aspects of its past. Rumor says it hosted a stop on the Underground Railroad, and it boasts remains of the first schoolhouse west of Cumberland. She never paid much attention to the abandoned cottage and its long-gone occupants until she accompanied her friend Marty, who wanted to photograph it for a potential news story. Everything changed when Uncle Benjamin made a huge discovery nearby. Wh...