01423nam a2200241Ia 450000100070000000500170000700800410002404000100006507400110007508600220008624501440010825600230025226000780027530000400035350000360039350400510042952001340048053803810061465000480099565000450104365100550108871000380114325027320200623182840.0010913e xxu gi 000 0 eng d aPUCPR a0621-J0 aI 19.120:ST 1/CD 10aStatus and trends publications of the Department of the Interior [computer file]cU.S. Department of the Interior, U.S. Geological Survey.  aComputer document. a[Reston, Va.?]bU.S. Dept. of the Interior, U.S. Geological Surveyc2000. a1 computer optical discc4 3/4 in.  aShipping list no.: 2001-0014-E. aIncludes bibliographical references and index.0 aDiscussions of Status and Trends Program of the U.S. Department of the Interior on the nation's biological and living resources.  aSystem requirements: Windows: 486 or Pentium processor-based personal computer; 10 MB of available RAM on Windows 95 and Windows 98 (16 MB recommended, 16 MB of available RAM on Windows NT (24 MB recommended); Microsoft Windows 95, 98, or NT. Macintosh: Apple Power Macintosh or compatible computer; 4.5 MB of available RAM (6.5 MB recommended); Mac OS version 7.1.2 or later. 0aBiological diversityzUnited States.2Local 0aNatural resourceszUnited States.2Local 0aUnited StatesxEnvironmental conditions. 2Local aGeological Survey (U.S.) 2Local