| 1. | The crater is above sea level, about above the surrounding basalt lava plains.
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| 2. | The lower unit is heavily tectonized and embayed by lava plains and flows.
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| 3. | The park by this time was a relatively featureless and large lava plain.
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| 4. | Most are partly buried by younger lava plains, making their sources difficult to identify.
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| 5. | The Hell's Half Acre lava plain is home to a variety of plant species.
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| 6. | Lava plains support alkali sagebrush, bluegrass, squirreltail, and Idaho fescue.
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| 7. | The diametre of the Brena maar is and Jag�ey, rising above a high lava plain.
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| 8. | This formation has no other notable features, and its albedo matches the surrounding lava plain.
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| 9. | Barnafoss is near Hraunfossar which burst out of Hallmundarhraun which is a great lava plain.
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| 10. | The southern and eastern shores are flat lava plains.
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