Written at upper high school to college level. Lake Mead National Recreation Area Mojave National Preserve Mojave National Preserve geologic tour. For technical resources, don't forget to visit Mojave National Preserve's Geologist's page Yosemite National Park Three steps to Yosemite Schematic diagram showing three phases in the geologic evolution of Yosemite. Unlike the fuzzy graphics you print directly from the internet, PDF documents retain crisp, clean lines and shading. These documents are designed with the needs of teachers and NPS interpreters in mind.
Illustrations are black and white with gray-scale shading appropriate for photocopy duplication.
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