LEADER 01889oem  2200493Ia 450 
001 9910697725603321
005 20081117095458.0
035   $a(CKB)5470000002391719
035   $a(OCoLC)62187821
035   $a(EXLCZ)995470000002391719
100   $a20051031d2001      za              
101 0 $aeng
120   $ab||||||||||||
121   $a|||||||||
124   $bd
135   $aurmn|||||||||
181   $ccrd$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHydrology and trophic ecology of Walden Pond, Concord, Massachusetts$b[electronic resource] /$fby Paul J. Friesz and John A. Colman
210  1$aReston, VA :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2001]
215   $a1 electronic map $cHTML, digital, PDF file
225 1 $aWater-resources investigations report ;$v01-4153
300   $aRelief shown by contours.
300   $aTitle from HTML index page (viewed on Nov. 17, 2008).
300   $a"Prepared in cooperation with the Massachusetts Department of Environmental Management"--PDF title screen.
300   $aIncludes text, 1 location map with inset, 1 cross section, 1 ancillary map, 9 diagrams, and 1 table.
320   $aIncludes bibliographical references.
606   $aHydrology$zMassachusetts$zWalden Pond (Middlesex County)$vMaps
606   $aEcology$zMassachusetts$zWalden Pond (Middlesex County)$vMaps
608   $aMaps.$2lcgft
615  0$aHydrology
615  0$aEcology
700   $aFriesz$b Paul J$01396281
701   $aColman$b John A$0270774
712 02$aGeological Survey (U.S.)
712 02$aMassachusetts.$bDepartment of Environmental Management.
801  0$bAGL
801  1$bAGL
801  2$bGPO
906   $aBOOK
912   $a9910697725603321
996   $aHydrology and trophic ecology of Walden Pond, Concord, Massachusetts$93489659
997   $aUNINA