2011-05-102011-05-102000Accession # 11422http://hdl.handle.net/1969.3/27956Downloadable files available below.System Requirements: 400 MHZ Pentium Computer with 64 megs of RAM or higher (PC only) For Teachers: We have included classroom activities about the Chesapeake Bay Watershed on the CD-ROM. To access the activities, click on the EXIT function. All documents are available .PDF and .PPT downloads.en-USChesapeake Bayenvironmental educationVideo