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White Sands National Monument - Pleistocene Trackways

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Across
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lasting for a very short time
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the weather conditions prevailing in an area in general or over a long period.
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a large extinct carnivorous mammal of the Pleistocene epoch that preyed on large mammals closely related to the dog family
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a unit of geological time which contains more than one age and is longer than an era and can cover more than one lifetime.
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an extinct mammal closely related to a llama that once roamed western North America
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a time period that occured from 2 million to 11 thousand years ago
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the study of plants and animals that lived millions of years ago
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an extinct mammal of the Pleistocene epoch in America, typically of very large size with large claws.
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a major division of geological time and is usually divided into two or more periods.
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an area of flat, dried-up land, especially a desert basin from which water evaporates quickly
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a person whose job involves discovering or verifying information for academic or scientific research
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a large extinct elephant of the Pleistocene epoch, typically hairy with a sloping back and long curved tusks.
Down
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a biological community of interacting organisms and their physical environment
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belonging to the very distant past and no longer in existence.
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the determination of the age or date of organic matter from the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains.
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a large extinct carnivorous mammal of the feline family, with large, curved upper canine teeth.
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a distinct period of history that is millions of years long
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one of the early American hunting people in the Late Pleistocene epoch
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a large open area of country covered with grass, especially one used for grazing
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a track of a footprint, trail, burrow, or other trace of an animal from long ago
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a soft white or gray mineral consisting of hydrated calcium sulfate
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a path formed by the repeated walking of people or animals
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preserved to become a fossil.
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the large mammals of a particular region, habitat, or geological period
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a length or portion of time that contains more than one epoch