This printable word search puzzle on the topic of Westward Expansion & Industrialization contains 13 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
underground
black lung
black gold
nystagmus
explosion
arthritis
trappers
children
mining
mine
coal
pit
gas