71 resultados para Coastal Survey Maps
em University of Michigan
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"November 1981."
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At head of title: Department of scientific and industrial research.
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Mode of access: Internet.
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"May 1976."
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Supplemented by: Publications issued ... January, 1894[-June 1895]. [London : H.M.S.O., 1894-1895]. 18 no. Caption title. Number for April 1895 wanting. Bound with Catalogue of maps and plans ... of England and Wales, and the Isle of man, to 1st of Jan. 1888.
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Title varies.
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Extracted from U.S. Geological survey. Bulletin no. 227.
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Compiled by Wilfred H. Schoff.
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At head of title: List F.
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The 1917 edition has title: List of maps and publications issued by the Topographical surveys branch and available for distribution.
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Mode of access: Internet.
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"To which are prefixed the resolutions of the meeting before which it was read."
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Mode of access: Internet.
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Mode of access: Internet.
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This report summarizes the impact of Hurricane Allen (August 1980) on dune configuration, sand accretion or erosion, and changes in the vegetation on north Padre Island. Four experimental foredunes, the result of grass plantings from 1969 to 1973, and an unplanted control section were monitored in 1975-1977 and also in 1981. The 1981 posthurricane data were compared where possilbe, with the previous studies. Foredune elevation surveys were completed in March 1981; accompanying vegetation transects were made in July 1981. Hurrican Allen causes erosion of the dune face of all the experimental dunes, but caused a breach in only one dune. The beach elevations had returned to approximately prehurricane heights by the time the area was resurveyed. The unplanted control dune provided little resistance to waves generated by the storm and a large quantity of sand was deposited inland.