Judith Pella & Michael Phillips 
My Father’s World (The Journals of Corrie Belle Hollister Book #1) 

When her mother dies, Corrie Bell Hollister is left with four younger siblings to care for. Hoping to find her uncle, she arrives in Gold Rush territory determined to be strong and make her own way. But her long-lost father’s so-called land of promise is a dangerous place, and she has never felt so alone.