Downloadable Maps To download the maps below, right click on the link and click ‘Save Link As’. Save to your local machine and open within the GIS or map program. BCDD5 Downloadable Maps (zip file) Google Drive Map Files Click the link below to access the map files from Google Drive. Save to your local machine and open within the GIS or map program. Google Drive Folder & Files Brazoria County Drainage District #5 GIS Map