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Grand Canyon National Park Committe on Public Lands Congressional Report 64th Congress

ContributorsMyers, H. L. (Author)
Created1917-02-20
DescriptionReport to accompany S 8250. Calendar No.967; 64th Congress 2nd Session
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Archean Ripple Marks in the Grand Canyon

ContributorsMaxon, John H. (Author) / Campbell, Ian (Author) / American Journal of Science (Publisher)
Created1934-10-01
DescriptionExcerpt on the Archean Ripple Mark in the Grand Canyon.