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Rocks and Dirt; student text
This is the student text portion of the curriculum book "Rocks and Dirt" by the same author. See main title for description of curriculum. This student text is designed to be used by classes where...
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![On the Origin of Eruptive and Primary Rocks [microform]](https://cdn11.bigcommerce.com/s-mhoxselkat/images/stencil/100x100/products/1895488/2772120/6566594-1014459184__77485.1737292526.jpg?c=1 "On the Origin of Eruptive and Primary Rocks [microform]")
![On the Origin of Eruptive and Primary Rocks [microform]](https://cdn11.bigcommerce.com/s-mhoxselkat/images/stencil/100x100/products/1895488/2772670/6566595-1014459184__75681.1737292566.jpg?c=1 "On the Origin of Eruptive and Primary Rocks [microform]")