The Filth of Progress: Immigrants, Americans, and the Building of Canals and Railroads in the WestEbookThe Filth of Progress: Immigrants, Americans, and the Building of Canals and Railroads in the WestbyRyan DearingerRating: 0 out of 5 stars0 ratingsSave The Filth of Progress: Immigrants, Americans, and the Building of Canals and Railroads in the West for later