The Flow From BelowVideo Cassette - 1994
Looks at where groundwater comes from, where it goes and the things that affect its quality and quantity.
Publisher: [Seattle?] : [Seattle-King County Health Dept.?], 
Edition: 20 minute version
Copyright Date: ©1994
Branch Call Number: VHS 551.49 GROUND
Characteristics: 1 videocassette (VHS) (20 min.) : sound, color with black and white sequences ; 1/2 in