00997nam a2200265Ia 450000100070000000500170000700800410002404000100006507400110007508600220008624500810010825600190018926000310020830000400023949000500027950000360032950000330036550400510039852100170044953801040046661000410057065000510061170000310066271000380069325035620200624062621.0010914e        xxu    gi     000 0 eng d  aPUCPR  a0620-A0 aI 19.4/2:1179/CD 10aRecords and history of the United States Geological Surveyh[computer file].  aComputer data.  a[Reston, Va.]bUSGSc2000.  a1 computer optical discc4 3/4 in.  0aU.S. Geological Survey circularv1179 2Local  aShipping list no.: 2000-0034-E.  aEditor: Clifford M. Nelson.   aIncludes bibliographical references and index.  aHistorians.   aSystem requirements: PC; Adobe Acrobat Reader 3.0 or higher; VGA graphics capability; CD-ROM drive. 0aGeological Survey (U.S.)  xHistory. 0aGeological surveyszUnited StatesxHistory.   10aNelson, Clifford M.2Local  aGeological Survey (U.S.)  2Local