An analysis of recorded Colorado River boating accidents in Glen Canyon for 1980, 1982, and 1984, and in Grand Canyon for 1981 through 1983

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035 ⊔ ⊔ ‡a(OCoLC)14950202
100 1 ⊔ ‡aUnderhill, A. Heaton.
245 1 3 ‡aAn analysis of recorded Colorado River boating accidents in Glen Canyon for 1980, 1982, and 1984, and in Grand Canyon for 1981 through 1983 / ‡cA.H. Underhill, M.H. Hoffman, and R.E. Borkan.
260 ⊔ ⊔ ‡aTucson, Ariz. : ‡bCooperative National Park Resources Studies Unit, University of Arizona, ‡c[1986]
300 ⊔ ⊔ ‡avii, 22 p. : ‡bill. ; ‡c28 cm.
490 0 ⊔ ‡aTechnical report ; ‡vno. 18
500 ⊔ ⊔ ‡a"June 1986."
500 ⊔ ⊔ ‡aNational Park Service/Bureau of Reclamation interagency agreement no. 4-AA-40-01930; contribution no. 053/02.
504 ⊔ ⊔ ‡aBibliography: p. 22.
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 0 ‡aBoating injuries ‡zColorado.
650 ⊔ 0 ‡aBoating accidents ‡zColorado.
650 ⊔ 0 ‡aBoating injuries ‡zUtah.
650 ⊔ 0 ‡aBoating accidents ‡zUtah.
651 ⊔ 0 ‡aGrand Canyon National Park (Ariz.)
651 ⊔ 0 ‡aGlen Canyon National Recreation Area (Utah and Ariz.)
700 1 0 ‡aBorkan, R. E.
700 1 0 ‡aHoffman, M. H.
710 1 0 ‡aUnited States. ‡bBureau of Reclamation.
710 2 0 ‡aCooperative National Park Resources Studies Unit (Tucson, Ariz.)
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