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Evaluating Arizona’s geologic setting, mineral resources, and geologic hazards.
Larry Wieland’s Grand Canyon Panorama Project
18 June 2019
The Grand Canyon Panorama Project is a collection of hundreds of interconnected 360° panoramas of Grand Canyon National Park. The project was created by me 20 years ago.
Grand Canyon through time: a geologic timeline
11 February 2019
Geologic timeline of Grand Canyon with 'how to use' explanation.
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