By the Shores of Silver Lake (Little House (Original Series Paperback))

The Ingalls family had fared badly in Plum Creek, Minnesota. They were in debt. Mary was blind now. So Pa went West to work at a railroad camp in Dakota Territory where he could make as much as fifty dollars a month! Then he sent for his wife and four children, and they became the first settlers in the new town of De Smet. But the railroad brought hordes of land-hungry people from the East. Had Pa waited too long to file his homestead claim? - Back cover.