1. Risk Factors for Coliform Bacteria in Backcountry Lakes and Streams in the Sierra Nevada Mountains: A 5-Year Study 
Robert W. Derlet, MD, K. Ali Ger, John R. Richards, MD, James R. Carlson, PhD 
Wilderness & Environmental Medicine 
Volume 19, Issue 2, Pages (June 2008)
DOI: /07-WEME-OR
Copyright © 2008 Wilderness Medical Society Terms and Conditions

2. Figure
Study area and sample collection sites. Sites were located throughout the majority of the Sierra Nevada range. In some cases each dot represents more than one sampling site because some sites were too close to display individually.
Wilderness & Environmental Medicine  , 82-90DOI: ( /07-WEME-OR )
Copyright © 2008 Wilderness Medical Society Terms and Conditions