Based on the passage provided, the two ideas that best convey the author's point of view from the given options are:
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The author thinks that the landscape of Glen Canyon provides many sources of inspiration. This aligns with the idea of "personal revelation" and suggests that the region inspires both research and personal insights.
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The author thinks that the diversity of life in Glen Canyon is useful to scientific understanding. The mention of "nearly limitless opportunities for research" implies that the rich diversity of life and geological features in Glen Canyon can contribute significantly to scientific inquiry and understanding.
The other options, such as mining for greater understanding or promoting tourism for profit, are not supported by the text and reflect different intentions than those expressed in the passage.