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| The largest thundereggs we found on the trip. | The largest thunderegg we found. It is a whopping 221 lbs! Note the water jug (1 gallon) next to it for scale. The wood frame is not boosting up the thunderegg; it is just keeping it from rolling around. |
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| Botryoidal agate on a huge boulder at the Del Norte agate fields. US Quarter for scale. | Paul in his pickup with our largest thundereggs. |
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| The largest thundereggs we found on the trip. | The largest thunderegg we found. It is a whopping 221 lbs! Note the water jug (1 gallon) next to it for scale. The wood frame is not boosting up the thunderegg; it is just keeping it from rolling around. |