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035   $a(CKB)5470000002451218
035   $a(OCoLC)889723429
035   $a(EXLCZ)995470000002451218
100   $a20140901d1994      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 13$aAn empirical assessment of refraction error in leveling as a function of survey order and environment /$fby Robert O. Castle, Robert K. Mark, and Roger H. Shaw
210  1$aWashington :$cUnited States Government Printing Office,$d1994.
215   $a1 online resource (50 pages) $cillustrations
225 1 $aU.S. Geological Survey bulletin ;$v2114
300   $a"An analysis of the results of three North American field experiments designed to measure the systematic component of the atmospheric refraction error in leveling."
300   $aTitle from title screen (viewed August 28, 2014).
300   $aAlso available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
320   $aIncludes bibliographical references (pages 49-50).
606   $aLeveling
606   $aRefraction
606   $aSurveying
606   $aLeveling$2fast
606   $aRefraction$2fast
606   $aSurveying$2fast
615  0$aLeveling.
615  0$aRefraction.
615  0$aSurveying.
615  7$aLeveling.
615  7$aRefraction.
615  7$aSurveying.
700   $aCastle$b Robert O.$01395430
702   $aMark$b Robert K.
702   $aShaw$b Roger H.
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
906   $aBOOK
912   $a9910705417203321
996   $aAn empirical assessment of refraction error in leveling as a function of survey order and environment$93532572
997   $aUNINA