Bacteria, cyanobacteria, algae, fungi, mosses, and protozoans living in Pinal Creek and oxidizing manganese. Photomicrograph images are from organisms that settled on glass slides or were collected in wet flocculates.
Details of this study are published in: Robbins, E.I., Corley, T.L., and Conklin, M.H., 1999, Manganese removal by the epilithic microbial consortium at Pinal Creek near Globe, Arizona: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 247-258.
Details of the Pinal Creek program and project can be found at:
http://toxics.usgs.gov/sites/pinal_page.html and http://wwwdaztcn.wr.usgs.gov/pinal/index.html