LEADER 01493nam  2200409   450 
001 9910717002603321
005 20220111112546.0
035   $a(CKB)5470000002528185
035   $a(OCoLC)1291561672
035   $a(EXLCZ)995470000002528185
100   $a20220111d1974      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 12$aA water-quality reconnaissance of Big Bear Lake, San Bernardino County, California, 1972-73 /$fby George A. Irwin and Michael Lemons
210  1$aMenlo Park, Calif. :$cU.S. Geological Survey,$d1974.
215   $a1 online resource (v, 40 pages) $cillustrations, one map
225 1 $aWater-resources investigations ;$v74-3
300   $a"May 1974."
320   $aIncludes bibliographical references (page 40).
606   $aWater quality$zCalifornia$zBig Bear Lake$xMeasurement
606   $aEutrophication$zCalifornia$zBig Bear Lake
606   $aNutrient pollution of water$zCalifornia$zBig Bear Lake
615  0$aWater quality$xMeasurement.
615  0$aEutrophication
615  0$aNutrient pollution of water
700   $aIrwin$b G. A.$01392337
702   $aLemons$b Michael
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910717002603321
996   $aA water-quality reconnaissance of Big Bear Lake, San Bernardino County, California, 1972-73$93510064
997   $aUNINA