About the Authors
- Kevin A. Thorn
-
* E-mail: kathorn@usgs.gov
Affiliation U.S. Geological Survey, Denver Federal Center, MS 408, Denver, Colorado, 80225–0046, United States of America
- Larry G. Cox
-
Affiliation U.S. Geological Survey, Denver Federal Center, MS 408, Denver, Colorado, 80225–0046, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KAT. Performed the experiments: LGC. Analyzed the data: KAT LGC. Contributed reagents/materials/analysis tools: KAT LGC. Wrote the paper: KAT LGC.