If you were at Arches you saw Delicate, unless you only went like 5 km in: it's just off the main road. The hike to it is moderate, but seeing it is nearly inescapable. Likewise, having been at Arches, you qualify for sand dune over 200' high, if fossilized dunes count. When you were here in Colorado we drove right by an exposed K/T boundary, so you've been within a couple hundred meters of one.
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Likewise, having been at Arches, you qualify for sand dune over 200' high, if fossilized dunes count.
When you were here in Colorado we drove right by an exposed K/T boundary, so you've been within a couple hundred meters of one.