Janette Oke 
When Comes the Spring (Canadian West Book #2) 

Elizabeth, the cultured young schoolteacher from the East, has braved the western frontier and spent a year teaching in a one-room schoolhouse. How she and Wynn are planning their wedding and their new life together at his outpost in the far north. While Wynn is accustomed to life in the north, Elizabeth is not. Can their love for each other sustain them through a harsh winter, loneliness, and rigors of life without any of the conveniences they’re used to? Book 2 of the bestselling Canadian West series.