Slide 13 of 17
The slide shows the sampling plan for downstream variation of gravel in the Poudre River valley:
1-Eight sites from Ft. Collins to Greeley were sampled to measure downstream variation.
2-At each site, two or three sections 500 ft apart were sampled to measure local variation.
3-At some sections, sampling was replicated to measure sampling error (indicated by “2” in slide).
U.S. Department of the Interior
U.S. Geological Survey
This page is <URL: http://pubs.usgs.gov/of/1998/ofr-98-0332/sld013.htm>
Site Maintainers: Randy
Schumann and Gene
For more information about this report contact: David A. Lindsey
Last updated 10 Jan 2013