One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This object is part of the Education ...
One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...
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