![what's the red on the rocks?](red.gif)
![what's the black on the rocks?](blacktype2.gif)
![what's the oil on the water?](oil2.gif)
![how to collect and see microbes](howto.gif)
IRON CYCLE: Red flocculate in Dogue Creek, Va., shows
where anoxic ground water discharges from the sandy bank.
Introduction
Collection Techniques
How To Collect Slimy Flocculates
How To Collect Oil-Like Films
How To Collect Bacteria that will Attach to
Slides
Viewing Tehniques through a Microscope
Tools Needed
Where To Find More Information
![logo](USGeolSurv.gif)
Contact: Norrie Robbins
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