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200 10$aPath length fluctuations derived from site testing interferometer data$b[electronic resource] /$fRoberto J. Acosta and James A. Nessel, Jacquelynne R. Morse
210  1$aCleveland, Ohio :$cNational Aeronautics and Space Administration, Glenn Research Center,$d[2010]
215   $a1 online resource (10 pages) $cillustrations
225 1 $aNASA/TM- ;$v2010-216355
300   $aTitle from title screen (viewed on Jan. 25, 2011).
300   $a"July 2010."
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200 14$aThe 3D Elevation Program $esummary for Minnesota /$f[by William J. Carswell, Jr.]
210  1$a[Reston, Va.] :$cU.S. Department of the Interior, U.S. Geological Survey,$d2013.
215   $a1 online resource (2 unnumbered pages) $ccolor maps
225 1 $aFact sheet ;$v2013-3051
300   $a"September 2013."
320   $aIncludes bibliographical references (page [2]).
517   $a3D Elevation Program 
606   $aDigital elevation models$zMinnesota
606   $aThree-dimensional imaging$zMinnesota
615  0$aDigital elevation models
615  0$aThree-dimensional imaging
700   $aCarswell$b William J.$01387067
712 02$aGeological Survey (U.S.),
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