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Explosives found in California cave

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Tuesday, May 20, 2008

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Crystal Cave, which is in Sequoia National Park, was evacuated after park employees found a substance that was believed to be explosive material left behind after construction work inside the cave conducted during the 1930s, as the material used was cloth, and not plastic.

Crystal Cave
Image: Victor Gane.

The discovery was made while workers were performing restoration work at the cave. They found what appeared to be remnants of live explosives. The person serving as the chief regional blaster for the park was then contacted.

The National Park service said that the explosives may be nitroglycerin. They also said that because of its instability, detonation may be required for removal. "In preparation for that possibility, park staff will install temporary blasting mats and blankets to protect cave formations and features. The area remains closed," said the NPS. Authorities are concerned that the other end of the blasting cap could be attached to a stick of live dynamite.

The cave remains closed at this time but staff aim to reopen on May 21, in time for Memorial Day.


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Articles presented on Wikinews reflect the specific time at which they were written and published, and do not attempt to encompass events or knowledge which occur or become known after their publication.

Got a correction? Add the template {{editprotected}} to the talk page along with your corrections, and it will be brought to the attention of the administrators.

Please note that due to our archival policy, we will not alter or update the content of articles that are archived, but will only accept requests to make grammatical and formatting corrections.

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