This printable word search puzzle on the topic of US History (General) contains 24 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.
PRECIPITATION
EASTERNREGION
CENTRALREGION
WESTERNREGION
INVERTEBRATES
VOLCANOLOGIST
PRECAMBRIAN
FOSSILFUELS
HEADWATERS
IRRIGATION
NATURALGAS
PALEOZOIC
MEGAFAUNA
CHINOOKS
CENOZOIC
MESOZOIC
SEDIMENT
GEOLOGY
FOSSILS
EROSION
ADAPTED
PLAINS
COAL
OIL