LEADER 01964nem 2200481Ia 450 001 9910701588003321 005 20120313145738.0 035 $a(CKB)5470000002419204 035 $a(OCoLC)779973096 035 $a(EXLCZ)995470000002419204 100 $a20120313d2011 da 101 0 $aeng 120 $ab|||||||||||| 121 $a||||||||| 124 $bd 135 $aur|n||||||||| 181 $ccrd$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aBedrock geologic map of the Grafton quadrangle, Worcester County, Massachusetts$b[electronic resource] /$fGregory J. Walsh, John N. Aleinikoff, and Michael J. Dorais ; prepared in cooperation with the Commonwealth of Massachusetts, Massachusetts Geological Survey 210 1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2011. 215 $a1 online resource (1 map) $ccolor +$e1 pamphlet (iv, 39 pages) 225 1 $aScientific investigations map ;$v3171 300 $aRelief shown by contours and spot heights. 300 $aTitle from title screen (viewed on Mar. 13, 2012). 300 $aIncludes location map, index map, lithologic column, col. ill., 1 table, and 3 cross-sections. 320 $aIncludes bibliographical references (pages 35-39 of pamphlet). 606 $aGeology$zMassachusetts$zWorcester County$vMaps 606 $aGeology, Structural$zMassachusetts$zWorcester County$vMaps 608 $aMaps.$2lcgft 615 0$aGeology 615 0$aGeology, Structural 700 $aWalsh$b Gregory J$01387680 701 $aAleinikoff$b John Nicholas$01391395 701 $aDorais$b Michael J$01395195 712 02$aGeological Survey (U.S.) 712 02$aMassachusetts.$bGeological Survey. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910701588003321 996 $aBedrock geologic map of the Grafton quadrangle, Worcester County, Massachusetts$93453307 997 $aUNINA