Software required: The map included with this report requires Environmental Systems Research Institute (ESRI) ArcReader 9.2 or later. ArcReader can be downloaded at no charge from http://www.esri.com/software/arcgis/arcreader/download.html. Tutorials and additional information are presented in Adobe PDF format. Adobe Reader can be downloaded at no charge from http://www.adobe.com/products/acrobat/readstep2.html Interactive charts and data can be accessed by navigating to \USGS_SIR095007_UCRB_SPARROW_digital_map\charts. The charts require Microsoft Excel 2007. Data used to create the charts can be viewed with earlier versions of Microsoft Excel if the Microsoft Office compatibility pack is installed. The compatibility pack is available from http:\\www.office.microsoft.com\downloads. Interactive charts will not be available in earlier versions of Excel. See the accompanying report for a detailed discussion of the salinity loads presented in the Excel workbook and charts. --------------------------------- To access the ESRI ArcReader application: Install ArcReader if not previously installed. Download and uncompress the zip archive (http://pubs.usgs.gov/sir/2009/5007). Launch ArcReader from the Windows start menu and choose OPEN from the FILE menu. Navigate to \USGS_SIR095007_UCRB_SPARROW_digital_map\pmf and launch the map document UCRB_SPARROW.pmf by double clicking the file name. The application can best be viewed on monitors with screen resolution set to 1280 by 1024 pixels. To learn more about specific features included in the map see the tutorial in the directory \USGS_SIR095007_UCRB_SPARROW_digital_map\tutorial. A detailed ArcReader tutorial can be downloaded from ESRI http://www.esri.com/software/arcgis/arcreader/download.html or see the on-line help documentation included with the map. --------------------------------- See http://support.esri.com/index.cfm?fa=knowledgebase.systemRequirements.matrix&pName=ArcReader&productID=18&pvName=9.2&versionID=115&PID=18&PVID=354 for detailed system requirements for ArcReader 9.2. --------------------------------- The use of trade, product, industry, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.