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ContributorsCrosby, W. W. (Author)
Created1923-08-21
Description

Letter from W. W. Crosby to the Director of the National Park Service defending his placement of the dynamite near Grand Canyon Village. He states there is between 16-20 tons of dynamite.

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ContributorsMatthes, F. (Author) / Evans, R. T. (Author) / The Military engineer (Publisher)
Created1926-05
DescriptionGeological Survey of the Grand Canyon in published journal. Vol. XVIII, No. 99.